<SEC-DOCUMENT>0001683863-25-000339-index.html : 20250127
<SEC-HEADER>0001683863-25-000339.hdr.sgml : 20250127
<ACCEPTANCE-DATETIME>20250127121609
ACCESSION NUMBER:		0001683863-25-000339
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20241130
FILED AS OF DATE:		20250127
DATE AS OF CHANGE:		20250127
EFFECTIVENESS DATE:		20250127

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS INVESTMENT GRADE MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000847411
		ORGANIZATION NAME:           	
		IRS NUMBER:				043046360
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05785
		FILM NUMBER:		25556797

	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 INVESTMENT GRADE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>f40436d1.htm
<DESCRIPTION>MFS INVESTMENT GRADE MUNICIPAL TRUST NCSR
<TEXT>
Document 1 - file: f40436d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>f40436d2.htm
<DESCRIPTION>99.COE
<TEXT>
Document 2 - file: f40436d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.302 CERT
<SEQUENCE>3
<FILENAME>f40436d3.htm
<DESCRIPTION>99.302CERT
<TEXT>
Document 3 - file: f40436d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>4
<FILENAME>f40436d4.htm
<DESCRIPTION>99.906CERT
<TEXT>
Document 4 - file: f40436d4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.30E-3
<SEQUENCE>5
<FILENAME>f40436d5.htm
<DESCRIPTION>99.30E-3
<TEXT>
Document 5 - file: f40436d5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>6
<FILENAME>f40436d6.htm
<DESCRIPTION>99.PROXYPOL
<TEXT>
Document 6 - file: f40436d6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img887022b72.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: img887022b72.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>img8a7c75a45.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: img8a7c75a45.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>imgaf7a2e9e3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: imgaf7a2e9e3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>imged740bd44.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: imged740bd44.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>imgf0bc50931.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: imgf0bc50931.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g0uw45qtpgeq55m8ukncp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g0uw45qtpgeq55m8ukncp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g2gztqrn0rj3n9ecbp3hb.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g2gztqrn0rj3n9ecbp3hb.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g12pkx8ck9hz6gc9muzwr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g12pkx8ck9hz6gc9muzwr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g7fwhqoro3kv3s9y9j8vg.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g7fwhqoro3kv3s9y9j8vg.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>gm56a8tn9psfb0h79nsaj.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: gm56a8tn9psfb0h79nsaj.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>gsh3c2qbgg2x6w80fe8fn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: gsh3c2qbgg2x6w80fe8fn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>gtahponr8mcn65c251t8h.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: gtahponr8mcn65c251t8h.jpg

</DOCUMENT>
</SEC-DOCUMENT>