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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000890926-08-000001.txt : 20080107
<SEC-HEADER>0000890926-08-000001.hdr.sgml : 20080107
<ACCEPTANCE-DATETIME>20080107213450
ACCESSION NUMBER:		0000890926-08-000001
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071231
FILED AS OF DATE:		20080107
DATE AS OF CHANGE:		20080107

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RADIAN GROUP INC
		CENTRAL INDEX KEY:			0000890926
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				232691170
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1601 MARKET STREET
		STREET 2:		12TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		2155646600

	MAIL ADDRESS:	
		STREET 1:		1601 MARKET ST
		STREET 2:		12TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CMAC INVESTMENT CORP
		DATE OF NAME CHANGE:	19960126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JENNINGS JAMES
		CENTRAL INDEX KEY:			0001188572

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11356
		FILM NUMBER:		08516515

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		8005231988

	MAIL ADDRESS:	
		STREET 1:		1401 MONTGOMERY AVE
		CITY:			ROSEMONT
		STATE:			PA
		ZIP:			19010
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2007-12-31</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000890926</issuerCik>
        <issuerName>RADIAN GROUP INC</issuerName>
        <issuerTradingSymbol>RDN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188572</rptOwnerCik>
            <rptOwnerName>JENNINGS JAMES</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1601 MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Phantom Arrangement under Deferred Comp Plan</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2014-02-01</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9494.22</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9494.22</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Deferred Compensation Plan with the return based on common stock ROR.  No shares issued or allocated</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>dividend equivalent rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-12-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21.8918</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2017-09-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-09-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21.8918</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>103.3675</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This arrangement is related to the investment return on deferred compensation linked to the change in common stock value.  The settlement is always in cash, as no shares have been allocated for the underlying funds.</footnote>
        <footnote id="F2">The funds contributed herein were contributed as deferred compensation paid quarterly during 2007.</footnote>
        <footnote id="F3">Settlement is in cash is the earlier of 6 months after termination or payout date on deferral election pursuant to Section 409A of the Internal Revenue Code.</footnote>
        <footnote id="F4">N/A</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>C. Robert Quint /s/ C. Robert Quint, power of attorney</signatureName>
        <signatureDate>2008-01-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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