<SEC-DOCUMENT>0001104659-25-084683.txt : 20250828
<SEC-HEADER>0001104659-25-084683.hdr.sgml : 20250828
<ACCEPTANCE-DATETIME>20250828152603
ACCESSION NUMBER:		0001104659-25-084683
CONFORMED SUBMISSION TYPE:	N-PX
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250630
FILED AS OF DATE:		20250828
DATE AS OF CHANGE:		20250828
EFFECTIVENESS DATE:		20250828

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS HIGH INCOME MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000845606
		ORGANIZATION NAME:           	
		EIN:				043039022
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		N-PX
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		251272740

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL HIGH INCOME MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-PX
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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<edgarSubmission xmlns="http://www.sec.gov/edgar/npx" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>N-PX</submissionType>
    <filerInfo>
      <registrantType>RMIC</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000845606</cik>
          <ccc>XXXXXXXX</ccc>
          <!--Field: Pseudo-Tag; ID: Name; Data:-->
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-2</investmentCompanyType>
      <periodOfReport>06/30/2025</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2025</reportCalendarYear>
      <reportingPerson>
        <name>MFS HIGH INCOME MUNICIPAL TRUST</name>
        <phoneNumber>617-954-5000</phoneNumber>
        <address>
          <com:street1>111 Huntington Avenue</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02199</com:zipCode>
        </address>
      </reportingPerson>
      <agentForService>
        <name>Christopher R. Bohane, Massachusetts Financial Services Company</name>
        <address>
          <com:street1>111 Huntington Avenue</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02199</com:zipCode>
        </address>
      </agentForService>
      <reportInfo>
        <reportType>FUND VOTING REPORT</reportType>
      </reportInfo>
      <fileNumber>811-05754</fileNumber>
      <leiNumber>0G9TCUWY2FBUXSJY2691</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>Y</explanatoryChoice>
        <explanatoryNotes>The amounts in columns 10 and 12 for the unanimous written consent of the shareholders of MFS Series Trust XIV-MFS Institutional Money Market Portfolio reflect dollars of net asset value.</explanatoryNotes>
      </explanatoryInformation>
    </coverPage>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
    </summaryPage>
    <seriesPage>
      <seriesCount>0</seriesCount>
    </seriesPage>
    <signaturePage>
      <reportingPerson>MFS HIGH INCOME MUNICIPAL TRUST</reportingPerson>
      <txSignature>David DiLorenzo</txSignature>
      <txPrintedSignature>David DiLorenzo</txPrintedSignature>
      <txTitle>President and Principal Executive Officer</txTitle>
      <txAsOfDate>08/28/2025</txAsOfDate>
    </signaturePage>
  </formData>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>PROXY VOTING RECORD
<SEQUENCE>2
<FILENAME>proxytable.xml
<TEXT>
<XML>
<?xml version="1.0" ?>
<proxyVoteTable xmlns="http://www.sec.gov/edgar/document/npxproxy/informationtable">
  <proxyTable>
    <issuerName>MFS Series Trust XIV - MFS Institutional Money Market Portfolio</issuerName>
    <cusip>55291X109</cusip>
    <isin>US55291X1090</isin>
    <meetingDate>11/14/2024</meetingDate>
    <voteDescription>That, effective as of January 1, 2025, each of Steven E. Buller, John A. Caroselli, Maureen R. Goldfarb, Peter D. Jones, John P. Kavanaugh, James W. Kilman, Jr., Clarence Otis, Jr., Michael W. Roberge, Maryanne L. Roepke, Paula E. Smith, Laurie J. Thomsen and Darrell A. Williams, be, and hereby is, elected to the Board of Trustees as Trustee, to hold such office until his or her successor is elected and qualified.</voteDescription>
    <voteCategories>
      <voteCategory>
        <categoryType>OTHER</categoryType>
      </voteCategory>
    </voteCategories>
    <otherVoteDescription>Shareholder written consent</otherVoteDescription>
    <voteSource>ISSUER</voteSource>
    <sharesVoted>2513460.24</sharesVoted>
    <sharesOnLoan>0</sharesOnLoan>
    <vote>
      <voteRecord>
        <howVoted>FOR</howVoted>
        <sharesVoted>2513460.24</sharesVoted>
        <managementRecommendation>FOR</managementRecommendation>
      </voteRecord>
    </vote>
  </proxyTable>
</proxyVoteTable>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
