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    <link:label id="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1_terseLabel_en-US" xlink:label="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average life equivalent CPR speeds range</link:label>
    <link:label id="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1_label_en-US" xlink:label="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Life Equivalent CPR Speeds Range</link:label>
    <link:label id="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1_documentation_en-US" xlink:label="lab_nnn_AverageLifeEquivalentCprSpeedsRange_6E71A54FF842BEB7FF85E467739F54B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average Life Equivalent CPR Speeds Range Assumption</link:label>
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    <link:label id="lab_nnn_ForeclosuresFrequencyCurveDefaultModel_3BBA8C25BF6FEF2F2C06E467739FC947_terseLabel_en-US" xlink:label="lab_nnn_ForeclosuresFrequencyCurveDefaultModel_3BBA8C25BF6FEF2F2C06E467739FC947" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreclosures frequency curve default model</link:label>
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    <link:label id="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F_terseLabel_en-US" xlink:label="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss severity of loans in foreclosure</link:label>
    <link:label id="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F_label_en-US" xlink:label="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Severity of Loans in Foreclosure</link:label>
    <link:label id="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F_documentation_en-US" xlink:label="lab_nnn_LossSeverityOfLoansInForeclosure_FE85CC96DA96687EAAB2E46773A0E56F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss Severity of Loans in Foreclosure Assumption</link:label>
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    <link:label id="lab_nnn_LiborYield_AE1FF649DF9BC9CCDC87E46773A0BCA0_terseLabel_en-US" xlink:label="lab_nnn_LiborYield_AE1FF649DF9BC9CCDC87E46773A0BCA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIBOR</link:label>
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    <link:label id="lab_nnn_LiborYield_AE1FF649DF9BC9CCDC87E46773A0BCA0_documentation_en-US" xlink:label="lab_nnn_LiborYield_AE1FF649DF9BC9CCDC87E46773A0BCA0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Libor Yield Assumption</link:label>
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    <link:label id="lab_nnn_YieldPrime_177183ACBCB96C89882BE46773A0AD93_label_en-US" xlink:label="lab_nnn_YieldPrime_177183ACBCB96C89882BE46773A0AD93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Yield Prime</link:label>
    <link:label id="lab_nnn_YieldPrime_177183ACBCB96C89882BE46773A0AD93_documentation_en-US" xlink:label="lab_nnn_YieldPrime_177183ACBCB96C89882BE46773A0AD93" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Yield Prime Assumption</link:label>
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    <link:label id="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003_terseLabel_en-US" xlink:label="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains</link:label>
    <link:label id="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003_label_en-US" xlink:label="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Unrealized Holding Gain Loss On Residual Interest Of Securitization Arising During Period Net Of Tax</link:label>
    <link:label id="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003_documentation_en-US" xlink:label="lab_nnn_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnResidualInterestOfSecuritizationArisingDuringPeriodNetOfTax_87B76D542BAAF7550F18E46773A0E003" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other comprehensive Income - Unrealized gain/loss on interest in financial instruments (typically securitized receivables) that continue to be held during the period.</link:label>
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    <link:label id="lab_us-gaap_ImpairmentOfRetainedInterest_60DB835B58FBC0D3E29BE46773A0A325_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfRetainedInterest_60DB835B58FBC0D3E29BE46773A0A325" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other than temporary valuation impairment</link:label>
    <link:label id="lab_us-gaap_ImpairmentOfRetainedInterest_60DB835B58FBC0D3E29BE46773A0A325_label_en-US" xlink:label="lab_us-gaap_ImpairmentOfRetainedInterest_60DB835B58FBC0D3E29BE46773A0A325" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of Retained Interest</link:label>
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    <link:label id="lab_us-gaap_RealEstateInvestmentsAbstract_B7DD5AEB61E6461301D3E467742B574A_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentsAbstract_B7DD5AEB61E6461301D3E467742B574A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Net [Abstract]</link:label>
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    <link:label id="lab_nnn_ConvertibleNotesPayableUnamortizedDiscount_0C78954A33EB7F35B927375AC7429314_documentation_en-US" xlink:label="lab_nnn_ConvertibleNotesPayableUnamortizedDiscount_0C78954A33EB7F35B927375AC7429314" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt discount that was originally recognized at the issuance of the convertible instrument that has yet to be amortized.</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_3FE52EFFAD98A9846B28375AC7429EB3" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_52FE117598D6FB9D1156375AC7430BAA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_CABB88A63069AF79E97F0BFED39615FF_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet_CABB88A63069AF79E97F0BFED39615FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_CABB88A63069AF79E97F0BFED39615FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_CABB88A63069AF79E97F0BFED39615FF" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyNet_CABB88A63069AF79E97F0BFED39615FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836_terseLabel_en-US" xlink:label="lab_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounted for using the direct financing method</link:label>
    <link:label id="lab_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836_label_en-US" xlink:label="lab_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Investment in Direct Financing and Sales Type Leases</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases" xlink:label="loc_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836" xlink:to="lab_us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeases_DA85A2A39B18A5426AC90BFED3966836" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate held for sale</link:label>
    <link:label id="lab_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2_label_en-US" xlink:label="lab_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Real Estate, Held-for-sale</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryRealEstateHeldForSale" xlink:label="loc_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2" xlink:to="lab_us-gaap_InventoryRealEstateHeldForSale_27EEE3F00F3DAF68728F0BFED397F1F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgages, notes and accrued interest receivable</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Net Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9" xlink:to="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_87F5B131F0B76AEDD3650BFED39760F9" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commercial mortgage residual interests</link:label>
    <link:label id="lab_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C_label_en-US" xlink:label="lab_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transferor's Interests in Transferred Financial Assets, Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestsContinuedToBeHeldByTransferorFairValue" xlink:label="loc_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C" xlink:to="lab_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_816069EBB870C5CEDF350BFED397D73C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C4E9A1C1AE0D30C4E6F70BFED3978801" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Receivables, net of allowance of $1,923 and $855, respectively</link:label>
    <link:label id="lab_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D_label_en-US" xlink:label="lab_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts and Notes Receivable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsAndNotesReceivableNet" xlink:label="loc_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D" xlink:to="lab_us-gaap_AccountsAndNotesReceivableNet_C6251C86827743A6ACA90BFED397B62D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued rental income, net of allowance of $3,153 and $3,270, respectively</link:label>
    <link:label id="lab_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007_label_en-US" xlink:label="lab_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Rent Receivables, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRentReceivablesNet" xlink:label="loc_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007" xlink:to="lab_us-gaap_DeferredRentReceivablesNet_A89FFB552D8F237C23350BFED3970007" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt costs, net of accumulated amortization of $18,902 and $17,965, respectively</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Finance Costs, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B" xlink:to="lab_us-gaap_DeferredFinanceCostsNet_8F499DF4CDE04A7A78AD0BFED397E73B" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssets_8F6817B5A5B45E86C1DC0BFED3971F9E_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssets_8F6817B5A5B45E86C1DC0BFED3971F9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_OtherAssets_8F6817B5A5B45E86C1DC0BFED3971F9E_label_en-US" xlink:label="lab_us-gaap_OtherAssets_8F6817B5A5B45E86C1DC0BFED3971F9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_8F6817B5A5B45E86C1DC0BFED3971F9E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Assets_88DB7D546607875A89400BFED3971733_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_88DB7D546607875A89400BFED3971733" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap_Assets_88DB7D546607875A89400BFED3971733_label_en-US" xlink:label="lab_us-gaap_Assets_88DB7D546607875A89400BFED3971733" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_88DB7D546607875A89400BFED3971733" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_D4B344EA70992EFA41BF0BFED397BAB1_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_D4B344EA70992EFA41BF0BFED397BAB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES AND EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_D4B344EA70992EFA41BF0BFED397BAB1_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_D4B344EA70992EFA41BF0BFED397BAB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_D4B344EA70992EFA41BF0BFED397BAB1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87" xlink:to="lab_us-gaap_LiabilitiesAbstract_8C8026F06E55031D7D600BFED397FC87" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgages payable, including unamortized premium of $158 and $187, respectively</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E" xlink:to="lab_us-gaap_SecuredDebt_EEB0390A07DDC49316320BFED397024E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConvertibleNotesPayable_8726934C60B821E9C68C0BFED397DC2C_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleNotesPayable_8726934C60B821E9C68C0BFED397DC2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes payable &#8211; convertible, net of unamortized discount of $0 and $2,072, respectively</link:label>
    <link:label id="lab_us-gaap_ConvertibleNotesPayable_8726934C60B821E9C68C0BFED397DC2C_label_en-US" xlink:label="lab_us-gaap_ConvertibleNotesPayable_8726934C60B821E9C68C0BFED397DC2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Notes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleNotesPayable" xlink:label="loc_us-gaap_ConvertibleNotesPayable_8726934C60B821E9C68C0BFED397DC2C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_ABD19EF3DA05F481F85439CE412355C6_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_ABD19EF3DA05F481F85439CE412355C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of notes payable discount</link:label>
    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_ABD19EF3DA05F481F85439CE412355C6_label_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_ABD19EF3DA05F481F85439CE412355C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Discount (Premium)</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_1FEE95BD4815732AFF7839CE41245824_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_1FEE95BD4815732AFF7839CE41245824" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of debt costs</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfDeferredHedgeGains_7814A1673BA19F3F42D139CE412490C0_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDeferredHedgeGains_7814A1673BA19F3F42D139CE412490C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred interest rate hedges</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireHeldForSaleRealEstate_7D6AD87B99248B7FC82439CE4124EFF3_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireHeldForSaleRealEstate_7D6AD87B99248B7FC82439CE4124EFF3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Additions to held for sale real estate</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireHeldForSaleRealEstate_7D6AD87B99248B7FC82439CE4124EFF3" xlink:to="lab_us-gaap_PaymentsToAcquireHeldForSaleRealEstate_7D6AD87B99248B7FC82439CE4124EFF3" xlink:type="arc" />
    <link:label id="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD_negatedLabel_en-US" xlink:label="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease in real estate leased to others using the direct financing method</link:label>
    <link:label id="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD_label_en-US" xlink:label="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Direct Financing And Sales Type Leases</link:label>
    <link:label id="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD_documentation_en-US" xlink:label="lab_nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases_92204DCCD93C1D6D03FC39CE41243DCD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net change during the reporting period consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in mortgages, notes and accrued interest receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Notes Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInNotesReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C" xlink:to="lab_us-gaap_IncreaseDecreaseInNotesReceivables_5F5B92DBF30EB6397DAE39CE4124F74C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_6154EA409689B4CB6C9D39CE412410C7_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_6154EA409689B4CB6C9D39CE412410C7" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in receivables</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_6154EA409689B4CB6C9D39CE412410C7_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_6154EA409689B4CB6C9D39CE412410C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_6154EA409689B4CB6C9D39CE412410C7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StraightLineRent_C1BA51E9772157089F7739CE41248CC8_negatedLabel_en-US" xlink:label="lab_us-gaap_StraightLineRent_C1BA51E9772157089F7739CE41248CC8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in accrued rental income</link:label>
    <link:label id="lab_us-gaap_StraightLineRent_C1BA51E9772157089F7739CE41248CC8_label_en-US" xlink:label="lab_us-gaap_StraightLineRent_C1BA51E9772157089F7739CE41248CC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Straight Line Rent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StraightLineRent" xlink:label="loc_us-gaap_StraightLineRent_C1BA51E9772157089F7739CE41248CC8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_AA69003D7C17F4072A5139CE41248A86" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in accrued interest payable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Interest Payable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978" xlink:to="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_A4148BDD2F6857466B4239CE4124F978" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Decrease in other liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_05A5A58E31C780B7C4B639CE41254676" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in current tax liability</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Income Taxes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_4093C0F3CFC50D48425A39CE41253D54" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F98B15222C1B0EF179A239CE4125B894" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_58803D1657C46217575139CE41250817_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_58803D1657C46217575139CE41250817" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_58803D1657C46217575139CE41250817_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_58803D1657C46217575139CE41250817" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_58803D1657C46217575139CE41250817" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from the disposition of real estate</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Real Estate Held-for-investment</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED" xlink:to="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_E7D66D026BFFF5F45B6D39CE41257EED" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstateAbstract_B190904492499BB14A4E39CE4125FC82_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstateAbstract_B190904492499BB14A4E39CE4125FC82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions to real estate:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireRealEstateAbstract" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstateAbstract_B190904492499BB14A4E39CE4125FC82" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireRealEstateAbstract_B190904492499BB14A4E39CE4125FC82" xlink:to="lab_us-gaap_PaymentsToAcquireRealEstateAbstract_B190904492499BB14A4E39CE4125FC82" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstateHeldForInvestment_531D3CCB724F075F4B0439CE412527C5_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstateHeldForInvestment_531D3CCB724F075F4B0439CE412527C5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounted for using the operating method</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireNotesReceivable_5AB6C0ADA71054D737C639CE4125694B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireNotesReceivable_5AB6C0ADA71054D737C639CE4125694B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Increase in mortgages and notes receivable</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireNotesReceivable_5AB6C0ADA71054D737C639CE4125694B_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireNotesReceivable_5AB6C0ADA71054D737C639CE4125694B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Notes Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireNotesReceivable" xlink:label="loc_us-gaap_PaymentsToAcquireNotesReceivable_5AB6C0ADA71054D737C639CE4125694B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal payments on mortgages and notes receivable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Collection of Notes Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C" xlink:to="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_A23A80D8AF9A1568FBD239CE41253D4C" xlink:type="arc" />
    <link:label id="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072_terseLabel_en-US" xlink:label="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash received from commercial mortgage residual interests</link:label>
    <link:label id="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072_label_en-US" xlink:label="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Comercial Mortgage Residual Interest</link:label>
    <link:label id="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072_documentation_en-US" xlink:label="lab_nnn_ProceedsfromComercialMortgageResidualInterest_729F7894DE758DD3BCE339CE4125A072" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from Comercial Mortgage Residual Interest</link:label>
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    <link:label id="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_198DDAF20AA6F4627C9339CE4125CC76_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_198DDAF20AA6F4627C9339CE4125CC76" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payment of lease costs</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements" xlink:label="loc_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_198DDAF20AA6F4627C9339CE4125CC76" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3FFE39DA3CEC4249A13D39CE4125B52F" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7800C6E2C40787C9497B39CE41251E17" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B9B8513B2CD6738E157F39CE412504A1_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B9B8513B2CD6738E157F39CE412504A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B9B8513B2CD6738E157F39CE412504A1_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B9B8513B2CD6738E157F39CE412504A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_E5CB74D41BFDDF52A5D439CE41260056_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_E5CB74D41BFDDF52A5D439CE41260056" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from line of credit payable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_E5CB74D41BFDDF52A5D439CE41260056_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_E5CB74D41BFDDF52A5D439CE41260056" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Long-term Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_E5CB74D41BFDDF52A5D439CE41260056" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_AC3043EE72B9B62F32E039CE4126E153" xlink:type="locator" />
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    <link:label id="lab_nnn_PaymentsforHedgeInterestRateHedgeFinancingActivities_AC17C88568F1B9258CB439CE412666B6_negatedTerseLabel_en-US" xlink:label="lab_nnn_PaymentsforHedgeInterestRateHedgeFinancingActivities_AC17C88568F1B9258CB439CE412666B6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of interest rate hedge</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfSecuredDebt_FA7209698635F136DFD439CE4126B6D4_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSecuredDebt_FA7209698635F136DFD439CE4126B6D4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of mortgages payable</link:label>
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    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746_terseLabel_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued 298,896 and 396,577 shares of restricted and unrestricted common stock in 2013 and 2012, respectively, pursuant to NNN&#8217;s performance incentive plan</link:label>
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746_label_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Issued Shares Of Common Stock Pursuant To Performance Incentive Plan Value</link:label>
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746_documentation_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents value of the Company's common stock issued during the period in connection with share-based compensation.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746" xlink:to="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue_48382210DA40E438C73339CE41274746" xlink:type="arc" />
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED_terseLabel_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued 7,774 and 8,389 shares of common stock in 2013 and 2012, respectively, to directors pursuant to NNN&#8217;s performance incentive plan</link:label>
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED_label_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Issued Shares Of Common Stock Pursuant To Performance Incentive Plan For Directors Value</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED" xlink:to="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue_8244633D6BAE3C4C7AF139CE41279FED" xlink:type="arc" />
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue_F451779AE711D268D7D739CE41271E3C_terseLabel_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue_F451779AE711D268D7D739CE41271E3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued 5,873 and 10,247 shares of common stock in 2013 and 2012, respectively, pursuant to NNN&#8217;s Deferred Director Fee Plan</link:label>
    <link:label id="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue_F451779AE711D268D7D739CE41271E3C_label_en-US" xlink:label="lab_nnn_SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue_F451779AE711D268D7D739CE41271E3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Issued Shares Of Common Stock Pursuant To Deferred Director Fee Plan Value</link:label>
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    <link:label id="lab_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9_label_en-US" xlink:label="lab_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Surrender Of Restricted Stock</link:label>
    <link:label id="lab_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9_documentation_en-US" xlink:label="lab_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Surrender Of Restricted Stock</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9" xlink:to="lab_nnn_SurrenderOfRestrictedStock_5EC61CD40CC965D3FAA339CE4127B6C9" xlink:type="arc" />
    <link:label id="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB_terseLabel_en-US" xlink:label="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in other comprehensive income</link:label>
    <link:label id="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB_label_en-US" xlink:label="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Change In Other Comprehensive Income</link:label>
    <link:label id="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB_documentation_en-US" xlink:label="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Supplemental change in other comprehensive income</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_SupplementalChangeInOtherComprehensiveIncome" xlink:label="loc_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:to="lab_nnn_SupplementalChangeInOtherComprehensiveIncome_EA9077DA35A488216FBB39CE41279DAB" xlink:type="arc" />
    <link:label id="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58_terseLabel_en-US" xlink:label="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in lease classification (direct financing lease to operating lease)</link:label>
    <link:label id="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58_label_en-US" xlink:label="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Lease Classification</link:label>
    <link:label id="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58_documentation_en-US" xlink:label="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Lease Classification</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_ChangeInLeaseClassification" xlink:label="loc_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:to="lab_nnn_ChangeInLeaseClassification_C1CC033341E04E8ED51A39CE4127AF58" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51_terseLabel_en-US" xlink:label="lab_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgages payable assumed in connection with real estate transactions</link:label>
    <link:label id="lab_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51_label_en-US" xlink:label="lab_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Assumed</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesAssumed1" xlink:label="loc_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51" xlink:to="lab_us-gaap_NotesAssumed1_46E49BC3973B97AC59CE39CE41271C51" xlink:type="arc" />
    <link:label id="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF_terseLabel_en-US" xlink:label="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage receivable accepted in connection with real estate transactions</link:label>
    <link:label id="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF_label_en-US" xlink:label="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note and Mortgage Receivable Accepted in Connection with Real EstateTransactions</link:label>
    <link:label id="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF_documentation_en-US" xlink:label="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note and Mortgage Receivable Accepted in Connection with Real EstateTransactions</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions" xlink:label="loc_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:to="lab_nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions_7DD53C4021826AFB103B39CE41275CFF" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate acquired in connection with mortgage receivable foreclosure</link:label>
    <link:label id="lab_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882_label_en-US" xlink:label="lab_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule III, Real Estate, Acquisitions Through Foreclosures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RealEstateAcquisitionsThroughForeclosures" xlink:label="loc_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882" xlink:to="lab_us-gaap_RealEstateAcquisitionsThroughForeclosures_8FDAFFBD82B880BC386339CE41281882" xlink:type="arc" />
    <link:label id="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E_terseLabel_en-US" xlink:label="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate received in note receivable foreclosure</link:label>
    <link:label id="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E_label_en-US" xlink:label="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Received in Note Receivable Foreclosure</link:label>
    <link:label id="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E_documentation_en-US" xlink:label="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Received in Note Receivable Foreclosure</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_AssetsReceivedinNoteReceivableForeclosure" xlink:label="loc_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:to="lab_nnn_AssetsReceivedinNoteReceivableForeclosure_FA178479846D11DB37CB39CE4128AF8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentTable_BDF7F0B262AAB499C1E839CD4A4ED1E4_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_BDF7F0B262AAB499C1E839CD4A4ED1E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_BDF7F0B262AAB499C1E839CD4A4ED1E4_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_BDF7F0B262AAB499C1E839CD4A4ED1E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_BDF7F0B262AAB499C1E839CD4A4ED1E4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_EC49D2FC8B871AE627BE39CD4A4F949E_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_EC49D2FC8B871AE627BE39CD4A4F949E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_EC49D2FC8B871AE627BE39CD4A4F949E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_0C5C5F0B255E38B5A124E46774B554FC_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_0C5C5F0B255E38B5A124E46774B554FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>
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    <link:loc xlink:href="nnn-20130630.xsd#nnn_BuildingPortionSubjectToDirectFinancingLandPortionSubjectToOperatingLeaseMember" xlink:label="loc_nnn_BuildingPortionSubjectToDirectFinancingLandPortionSubjectToOperatingLeaseMember_0A1E9E8407E855A7A30DE46774B5D0BF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_CDA9BC3F0CF57D883CEEE46774B52C81_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_CDA9BC3F0CF57D883CEEE46774B52C81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Line Items]</link:label>
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    <link:label id="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderOperatingLeases_B1FE57C4A78E08289AE9E46774B50113_terseLabel_en-US" xlink:label="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderOperatingLeases_B1FE57C4A78E08289AE9E46774B50113" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of properties leased-operating</link:label>
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    <link:label id="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingLeases_506A8B44E5006405FB3BE46774B6AE96_terseLabel_en-US" xlink:label="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingLeases_506A8B44E5006405FB3BE46774B6AE96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of properties leased-direct financing</link:label>
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    <link:label id="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingAndOperatingLeases_70B9DC13F2325AE10441E46774B62667_terseLabel_en-US" xlink:label="lab_nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingAndOperatingLeases_70B9DC13F2325AE10441E46774B62667" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of properties leased-building portion-direct financing land portion-operating</link:label>
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    <link:label id="lab_nnn_WeightedAverageRemainingLeaseTermYears_AF6E1C8DC4E43B681CE9E46774B643FF_terseLabel_en-US" xlink:label="lab_nnn_WeightedAverageRemainingLeaseTermYears_AF6E1C8DC4E43B681CE9E46774B643FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining lease term (in years)</link:label>
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    <link:label id="lab_us-gaap_RevenuesAbstract_4201268C326B65A1ABFC355DBDE2B3AF_label_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_4201268C326B65A1ABFC355DBDE2B3AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues [Abstract]</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_9BF4088298B23B16403B355DBDE3A5DD_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_9BF4088298B23B16403B355DBDE3A5DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental income from operating leases</link:label>
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    <link:label id="lab_us-gaap_CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue_6D5023C078DA37C180EF355DBDE39A92_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue_6D5023C078DA37C180EF355DBDE39A92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earned income from direct financing leases</link:label>
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    <link:label id="lab_nnn_RetailOperationsOperatingIncomeLoss_F78CDCDAD57B8A04EFF2355DBDE41E3D_totalLabel_en-US" xlink:label="lab_nnn_RetailOperationsOperatingIncomeLoss_F78CDCDAD57B8A04EFF2355DBDE41E3D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net</link:label>
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    <link:label id="lab_us-gaap_LandImprovementsMember_99EFCB9CD38B7327399D0BFED353CF95_label_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_99EFCB9CD38B7327399D0BFED353CF95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land Improvements [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_CA01CA2B22CB064A068039CE40BE3335_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_CA01CA2B22CB064A068039CE40BE3335" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_CA01CA2B22CB064A068039CE40BE3335_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_CA01CA2B22CB064A068039CE40BE3335" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfConvertibleDebt_B8532F7CA6C3D115224439CE40BEC80E_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfConvertibleDebt_B8532F7CA6C3D115224439CE40BEC80E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of convertible debt</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_A3DA29E68FE62E14C24E39CE40BEB157_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_A3DA29E68FE62E14C24E39CE40BEB157" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Principal amount of convertible debt</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_A3DA29E68FE62E14C24E39CE40BEB157_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_A3DA29E68FE62E14C24E39CE40BEB157" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:label="loc_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_A3DA29E68FE62E14C24E39CE40BEB157" xlink:type="locator" />
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    <link:label id="lab_nnn_ConvertibleNotesPayableUnamortizedDiscount_5B8E605CCCBA544FA27939CE40BF2F46_negatedTerseLabel_en-US" xlink:label="lab_nnn_ConvertibleNotesPayableUnamortizedDiscount_5B8E605CCCBA544FA27939CE40BF2F46" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Remaining unamortized debt discount</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_ConvertibleNotesPayableUnamortizedDiscount" xlink:label="loc_nnn_ConvertibleNotesPayableUnamortizedDiscount_5B8E605CCCBA544FA27939CE40BF2F46" xlink:type="locator" />
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    <link:label id="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6_terseLabel_en-US" xlink:label="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net carrying value of convertible debt</link:label>
    <link:label id="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6_label_en-US" xlink:label="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net carrying amount of convertible debt</link:label>
    <link:label id="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6_documentation_en-US" xlink:label="lab_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net carrying amount of convertible debt</link:label>
    <link:loc xlink:href="nnn-20130630.xsd#nnn_NetCarryingAmountOfConvertibleDebt" xlink:label="loc_nnn_NetCarryingAmountOfConvertibleDebt_5027534264550B5ED93A39CE40BFAAC6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestExpenseDebtExcludingAmortization_C6C39B6F3B0D7DDD00B439CE40BFD4AA_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebtExcludingAmortization_C6C39B6F3B0D7DDD00B439CE40BFD4AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncash interest charges</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebtExcludingAmortization_C6C39B6F3B0D7DDD00B439CE40BFD4AA_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebtExcludingAmortization_C6C39B6F3B0D7DDD00B439CE40BFD4AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt, Excluding Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseDebtExcludingAmortization" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_C6C39B6F3B0D7DDD00B439CE40BFD4AA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_390AA05B563DC6377C1639CE40BF89B2_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_390AA05B563DC6377C1639CE40BF89B2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contractual interest expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_390AA05B563DC6377C1639CE40BF89B2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_F91C5D0FF3111AA76D4939CE40BFA72B_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_F91C5D0FF3111AA76D4939CE40BFA72B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of debt costs</link:label>
    <link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_F91C5D0FF3111AA76D4939CE40BFA72B_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_F91C5D0FF3111AA76D4939CE40BFA72B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Financing Costs and Discounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_F91C5D0FF3111AA76D4939CE40BFA72B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestExpenseDebt_DE8A974E862EA131A53339CE40BF1708_totalLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_DE8A974E862EA131A53339CE40BF1708" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebt_DE8A974E862EA131A53339CE40BF1708_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_DE8A974E862EA131A53339CE40BF1708" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_DE8A974E862EA131A53339CE40BF1708" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_BA7F26BBDDA06E45905639CE40BFA405_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_BA7F26BBDDA06E45905639CE40BFA405" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible, If-converted value in rxcess of principal</link:label>
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    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_A406D2B1D301C043E9B539CE40BFEA87_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_A406D2B1D301C043E9B539CE40BFEA87" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Decrease to additional paid-in capital</link:label>
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    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_F1931AB6FEAA88B07489E46773E1DB0E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_F1931AB6FEAA88B07489E46773E1DB0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements</link:label>
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    <link:label id="lab_nnn_RealEstateHeldForSaleTextBlock_F2DED1053643B88D0BB3E467745D3DE0_terseLabel_en-US" xlink:label="lab_nnn_RealEstateHeldForSaleTextBlock_F2DED1053643B88D0BB3E467745D3DE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate &#8211; Held For Sale</link:label>
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