-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000005513-10-000028.txt : 20100225
<SEC-HEADER>0000005513-10-000028.hdr.sgml : 20100225
<ACCEPTANCE-DATETIME>20100225170412
ACCESSION NUMBER:		0000005513-10-000028
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20100223
FILED AS OF DATE:		20100225
DATE AS OF CHANGE:		20100225

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:		4232944350

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCCARTHY KEVIN P
		CENTRAL INDEX KEY:			0001182969

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11294
		FILM NUMBER:		10634445

	MAIL ADDRESS:	
		STREET 1:		2211 CONGRESS STREEET
		CITY:			PORTLAND
		STATE:			ME
		ZIP:			04122
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>main4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182969</rptOwnerCik>
            <rptOwnerName>MCCARTHY KEVIN P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 FOUNTAIN SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHATTANOOGA</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, President &amp; CEO, Unum US</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2990.0</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.83</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>207569.0</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3685.0</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.01</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>203884.0</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8673.0</value>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>195211.0</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1722.0</value>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By N-Q 401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld to satisfy tax withholding obligation upon vesting of 9,103 shares of restricted stock.</footnote>
        <footnote id="F2">Includes 133,771 restricted stock units (which amount includes the exempt acquisition of an aggregate of approximately 1,485 RSUs resulting from the reinvestment of dividends after the date of the reporting person's prior Form 4), 3,554 shares in the company ESPP, and 70,244 shares held outside any plan (which amount includes the exempt acquisition of an aggregate of approximately 1,806 shares resulting from the reinvestment of dividends under a broker-sponsored DRIP).</footnote>
        <footnote id="F3">Represents shares withheld to satisfy tax withholding obligation upon vesting of 11,714.779 restricted stock units.</footnote>
        <footnote id="F4">Includes 122,056 restricted stock units, 3,554 shares in the company ESPP, and 78,274 shares held outside any plan.</footnote>
        <footnote id="F5">Represents shares withheld to satisfy tax withholding obligation upon vesting of 27,280.792 restricted stock units.</footnote>
        <footnote id="F6">Includes 94,775 restricted stock units, 3,554 shares in the company ESPP, and 96,882 shares held outside any plan.</footnote>
        <footnote id="F7">Due to administrative error, these indirect holdings were inadvertently omitted from each of the prior Form 4s (including amendments thereto, as applicable) filed on behalf of the reporting person from November 21, 2007.  All such Form 4s are hereby amended to include such indirect holdings.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jullienne, J. Paul, Attorney-in-Fact</signatureName>
        <signatureDate>2010-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>powerofattorney-mccarthy0.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
				POWER OF ATTORNEY
		(For executing Forms 3, 4 and 5 under Rule 16)


	KNOW ALL BY THESE PRESENTS, That the undersigned hereby constitutes and
appoints E. Liston Bishop, III, Susan N. Roth, J. Paul Jullienne, or Christopher
A. Parrott as his/her true and lawful attorneys-in-fact and agents to:


	     a. Execute for and on behalf of the undersigned such Forms 3, 4 and
	        5 ("Forms") as may be required from time to time by Section 16 of
	        the Securities Exchange Act of 1934 and the applicable rules
		thereunder ("Act"); and


	     b. Do and perform each and every act and thing for and on behalf of
		the undersigned which may be necessary or desirable to complete
		the execution and timely filing of such Forms as undersigned may
		be required to file with the Securities and Exchange Commission
		and any other authority.

	The undersigned grants said attorneys-in-fact and agents full power and
authority to act and perform on behalf of the undersigned all and every act and
thing whatsoever required to be done in the exercise of the rights and powers
granted herein, as fully to all intents and purposes as said attorneys-in-fact
and agents might or could do in person, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorneys-in-fact and
agents, or their substitutes, may lawfully do or cause to be done by virtue
hereof.  The undersigned hereby acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming any of the undersigned's responsibilities to
comply with Section 16 of the Act.


	IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
this 31st day of January, 2010.



					/s/  Kevin P. McCarthy
					--------------------------------------
					Kevin P. McCarthy
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
