<SEC-DOCUMENT>0001700264-23-000007.txt : 20230414
<SEC-HEADER>0001700264-23-000007.hdr.sgml : 20230414
<ACCEPTANCE-DATETIME>20230414130058
ACCESSION NUMBER:		0001700264-23-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230328
FILED AS OF DATE:		20230414
DATE AS OF CHANGE:		20230414

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lasman Gary S
		CENTRAL INDEX KEY:			0001357209

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04841
		FILM NUMBER:		23820457

	MAIL ADDRESS:	
		STREET 1:		500 BOYLSTON STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS MUNICIPAL INCOME TRUST
		CENTRAL INDEX KEY:			0000801961
		IRS NUMBER:				046554822
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		18006372929

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-28</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000801961</issuerCik>
        <issuerName>MFS MUNICIPAL INCOME TRUST</issuerName>
        <issuerTradingSymbol>MFM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001357209</rptOwnerCik>
            <rptOwnerName>Lasman Gary S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 HUNTINGTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>PORTFOLIO MANAGER</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <ownerSignature>
        <signatureName>HEIDI W. HARDIN</signatureName>
        <signatureDate>2023-04-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
