<SEC-DOCUMENT>0001193125-21-367610-index.html : 20211228
<SEC-HEADER>0001193125-21-367610.hdr.sgml : 20211228
<ACCEPTANCE-DATETIME>20211228120502
ACCESSION NUMBER:		0001193125-21-367610
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		19
CONFORMED PERIOD OF REPORT:	20211031
FILED AS OF DATE:		20211228
DATE AS OF CHANGE:		20211228
EFFECTIVENESS DATE:		20211228

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04841
		FILM NUMBER:		211523396

	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>N-CSR
<SEQUENCE>1
<FILENAME>d458627dncsr.htm
<DESCRIPTION>MFS MUNICIPAL INCOME TRUST N-CSR
<TEXT>
Document 1 - file: d458627dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>d458627dex99codeeth.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: d458627dex99codeeth.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>d458627dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATIONS
<TEXT>
Document 3 - file: d458627dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>4
<FILENAME>d458627dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 4 - file: d458627dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.30E3 NOTICE
<SEQUENCE>5
<FILENAME>d458627dex9930e3notice.htm
<DESCRIPTION>30E3 NOTICE
<TEXT>
Document 5 - file: d458627dex9930e3notice.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>6
<FILENAME>d458627dex99proxypol.htm
<DESCRIPTION>MFS PROXY VOTING POLICIES AND PROCEDURES
<TEXT>
Document 6 - file: d458627dex99proxypol.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g458627g10a01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g458627g10a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g458627g10a02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g458627g10a02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g458627g10a03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g458627g10a03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g458627g10a04.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g458627g10a04.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g458627g10a05.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g458627g10a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g458627g10a06.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g458627g10a06.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g458627img18c537761.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g458627img18c537761.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g458627img235135075.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g458627img235135075.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g458627img3cd2b6102.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g458627img3cd2b6102.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g458627img6e878aeb7.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g458627img6e878aeb7.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g458627img7f70037e3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g458627img7f70037e3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g458627img9708ea106.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g458627img9708ea106.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g458627imgfb36b9934.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g458627imgfb36b9934.gif

</DOCUMENT>
</SEC-DOCUMENT>