<SEC-DOCUMENT>0001127602-12-008990.txt : 20120301
<SEC-HEADER>0001127602-12-008990.hdr.sgml : 20120301
<ACCEPTANCE-DATETIME>20120301175851
ACCESSION NUMBER:		0001127602-12-008990
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120228
FILED AS OF DATE:		20120301
DATE AS OF CHANGE:		20120301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MacMillan A S
		CENTRAL INDEX KEY:			0001327117

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11294
		FILM NUMBER:		12659331

	MAIL ADDRESS:	
		STREET 1:		UNUM GROUP
		STREET 2:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Unum Group
		CENTRAL INDEX KEY:			0000005513
		STANDARD INDUSTRIAL CLASSIFICATION:	ACCIDENT & HEALTH INSURANCE [6321]
		IRS NUMBER:				621598430
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402
		BUSINESS PHONE:		423-294-8974

	MAIL ADDRESS:	
		STREET 1:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNUMPROVIDENT CORP
		DATE OF NAME CHANGE:	19990702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROVIDENT COMPANIES INC /DE/
		DATE OF NAME CHANGE:	19961204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROVIDENT LIFE & ACCIDENT INSURANCE CO OF AMERICA
		DATE OF NAME CHANGE:	19950407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-02-28</periodOfReport>

    <issuer>
        <issuerCik>0000005513</issuerCik>
        <issuerName>Unum Group</issuerName>
        <issuerTradingSymbol>UNM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001327117</rptOwnerCik>
            <rptOwnerName>MacMillan A S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 FOUNTAIN SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHATTANOOGA</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-02-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1710</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.3783</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15231</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the weighted average price for multiple sale transactions ranging in price from $23.37 per share to $23.38 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.</footnote>
        <footnote id="F2">Includes 7,853 restricted stock units (&quot;RSUs&quot;) and 7,377 shares of common stock. Fractional amounts have been rounded to the nearest whole number. All RSUs may be settled, on a 1-for-1 basis, only in shares of common stock.</footnote>
        <footnote id="F3">Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 110.657 RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jullienne, J. Paul, Attorney-in-Fact</signatureName>
        <signatureDate>2012-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
