<SEC-DOCUMENT>0001193125-25-161900-index.html : 20250721
<SEC-HEADER>0001193125-25-161900.hdr.sgml : 20250721
<ACCEPTANCE-DATETIME>20250721162024
ACCESSION NUMBER:		0001193125-25-161900
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20250721
DATE AS OF CHANGE:		20250721
EFFECTIVENESS DATE:		20250721

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.
		CENTRAL INDEX KEY:			0000830487
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-287133
		FILM NUMBER:		251137499

	BUSINESS ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE
		STREET 2:		47TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		888-777-0102

	MAIL ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE
		STREET 2:		47TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNICIPAL HIGH INCOME FUND INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SPECIAL OPPORTUNITIES MUNICIPAL FUND INC
		DATE OF NAME CHANGE:	19881025
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS EX
<SEQUENCE>1
<FILENAME>d937477dposex.htm
<DESCRIPTION>WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.
<TEXT>
Document 1 - file: d937477dposex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(H)(1)
<SEQUENCE>2
<FILENAME>d937477dex99h1.htm
<DESCRIPTION>EX-99.(H)(1)
<TEXT>
Document 2 - file: d937477dex99h1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(H)(2)
<SEQUENCE>3
<FILENAME>d937477dex99h2.htm
<DESCRIPTION>EX-99.(H)(2)
<TEXT>
Document 3 - file: d937477dex99h2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)
<SEQUENCE>4
<FILENAME>d937477dex99l.htm
<DESCRIPTION>EX-99.(L)
<TEXT>
Document 4 - file: d937477dex99l.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g937477g0328142348902.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g937477g0328142348902.jpg

</DOCUMENT>
</SEC-DOCUMENT>