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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-03-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001407214</rptOwnerCik>
            <rptOwnerName>Taslitz Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STERLING PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>401 N. MICHIGAN AVE., SUITE 3300</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60611</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.44</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45843</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F7"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-10-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45843</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F7"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>802211</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>36253</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>36253</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>36253</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>36253</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125724</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Class B Common Stock (&quot;Class B Common Stock&quot;) of Laureate Education, Inc. (&quot;Laureate&quot;) is convertible into one share of Class A Common Stock of Laureate upon the election of the holder or upon transfer, subject to the terms of Laureate's Amended and Restated Certificate of Incorporation.</footnote>
        <footnote id="F2">Pursuant to an agreement (the &quot;Founders' Agreement&quot;) among Douglas L. Becker, Steven M. Taslitz, R. Christopher Hoehn-Saric and one other founder of Sterling (the &quot;Sterling Founders&quot;), the Sterling Founders share equally, on a net after-tax basis, in certain equity securities they receive in connection with services rendered by any of them to certain entities, including Laureate. Each Sterling Founder controls the voting and disposition of the securities allocable to such Sterling Founder.</footnote>
        <footnote id="F3">Represents an option with respect to 45,843 shares of Class B Common Stock (the &quot;Shares&quot;) issued to Mr. Becker pursuant to Mr. Becker's Stock Option Agreement, dated October 2, 2013 (the &quot;Stock Option Agreement&quot;), that vested on March 30, 2018 following determination by the Compensation Committee of Laureate's Board of Directors of Laureate's achievement of the applicable performance conditions.  In light of the Founders' Agreement, Mr. Taslitz may be deemed to indirectly beneficially own a portion of such option.  Each of Messrs. Becker and Hoehn-Saric, who also may be deemed to indirectly beneficially own a portion of such option, has made a separate Form 4 filing with respect to the vesting of this option with respect to the Shares.</footnote>
        <footnote id="F4">Represents the aggregate number of shares of Class B Common Stock underlying vested options awarded pursuant to the Stock Option Agreement (including time-based and performance-based options).  This figure consolidates the shares of Class B Common Stock subject to the options reported at footnote 2 of the reporting person's Form 3 with the Shares subject to the vested option reported herein.</footnote>
        <footnote id="F5">Each Performance Share Unit (each, a &quot;PSU&quot;) represents the right to receive one share of Class B Common Stock.</footnote>
        <footnote id="F6">On October 2, 2013, Mr. Becker was granted 181,265 PSUs, vesting in five equal tranches dependent upon Laureate achieving the applicable Equity Value Target as set forth in the applicable Performance Share Units Notice. 36,253 PSUs vested on March 30, 2018.  In light of the Founders' Agreement, Mr. Taslitz may be deemed to indirectly beneficially own a portion of the shares of Class B Common Stock issued upon the conversion of the PSUs. Each of Messrs. Becker and Hoehn-Saric, who also may be deemed to indirectly beneficially own a portion of the shares of Class B Common Stock issued upon the conversion of the PSUs, has made a separate Form 4 filing with respect to the issuance of such shares of Class B Common Stock.</footnote>
        <footnote id="F7">The reporting person disclaims beneficial ownership of the securities reported herein, except to the extent of the reporting person's pecuniary interest therein.  The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership by the reporting person of any securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ M. Avi Epstein, attorney-in-fact for Steven M. Taslitz</signatureName>
        <signatureDate>2018-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
