<SEC-DOCUMENT>0001039828-20-000086.txt : 20201123
<SEC-HEADER>0001039828-20-000086.hdr.sgml : 20201123
<ACCEPTANCE-DATETIME>20201123170219
ACCESSION NUMBER:		0001039828-20-000086
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201119
FILED AS OF DATE:		20201123
DATE AS OF CHANGE:		20201123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Johnson Ted Morris
		CENTRAL INDEX KEY:			0001341196

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31911
		FILM NUMBER:		201338670

	MAIL ADDRESS:	
		STREET 1:		5000 WESTOWN PARKWAY, SUITE 440
		CITY:			WEST DES MOINES
		STATE:			IA
		ZIP:			50266

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN EQUITY INVESTMENT LIFE HOLDING CO
		CENTRAL INDEX KEY:			0001039828
		STANDARD INDUSTRIAL CLASSIFICATION:	LIFE INSURANCE [6311]
		IRS NUMBER:				421447959
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6000 WESTOWN PARKWAY
		CITY:			WEST DEMOINES
		STATE:			IA
		ZIP:			50266
		BUSINESS PHONE:		5152210002

	MAIL ADDRESS:	
		STREET 1:		6000 WESTOWN PARKWAY
		CITY:			WEST DES MOINES
		STATE:			IA
		ZIP:			50266
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_160616892605705.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001039828</issuerCik>
        <issuerName>AMERICAN EQUITY INVESTMENT LIFE HOLDING CO</issuerName>
        <issuerTradingSymbol>AEL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001341196</rptOwnerCik>
            <rptOwnerName>Johnson Ted Morris</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6000 WESTOWN PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST DES MOINES</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>50266</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO &amp; Treasurer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Options - Right to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>27.05</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-11-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>49565</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2021-11-19</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-11-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>49565.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>49565</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Fifty percent (50%) of the Option Award granted vests upon the later of: (i) the Company attaining a $37.00 per share common stock price (based on a 30-day trading average); and (ii) the one year anniversary of the Grant Date.  The remaining fifty percent (50%) of the Option Award vests on the one year anniversary of the vesting of the initial fifty percent (50%) of the Option Award. If the Company does not achieve the $37 per share common stock price on or before the fifth anniversary of the Grant Date, the Option Award shall be forfeited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Renee D. Montz, by Power of Attorney</signatureName>
        <signatureDate>2020-11-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
