<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-05-22</periodOfReport>

    <issuer>
        <issuerCik>0000912766</issuerCik>
        <issuerName>LAUREATE EDUCATION, INC.</issuerName>
        <issuerTradingSymbol>LAUR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001102075</rptOwnerCik>
            <rptOwnerName>RODIN JUDITH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LAUREATE EDUCATION, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>650 S. EXETER STREET</rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-05-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6819</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21072</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to Laureate Education, Inc.'s (the &quot;Company&quot;) non-employee director compensation program, the Reporting Person has elected to receive this grant.  25% of these shares are vested and 75% are restricted stock units that will vest ratably in three installments at the end of each of the remaining calendar quarters of 2019, provided the Reporting Person continues to serve as a director of the Company.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Sean P. Mulcahy, Attorney-in-Fact</signatureName>
        <signatureDate>2019-05-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
