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ACCESSION NUMBER:		0001193125-25-159976
CONFORMED SUBMISSION TYPE:	N-2/A
PUBLIC DOCUMENT COUNT:		41
FILED AS OF DATE:		20250716
DATE AS OF CHANGE:		20250718

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:		N-2/A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05497
		FILM NUMBER:		251128135

	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

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:		N-2/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-287133
		FILM NUMBER:		251128134

	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
<IS-FILER-A-NEW-REGISTRANT>N
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<FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>N
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<DOCUMENT>
<TYPE>N-2/A
<SEQUENCE>1
<FILENAME>d696312dn2a.htm
<DESCRIPTION>WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.
<TEXT>
Document 1 - file: d696312dn2a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(1)
<SEQUENCE>2
<FILENAME>d696312dex99a1.htm
<DESCRIPTION>ARTICLES OF INCORPORATION, DATED MARCH 4, 1988 (1)
<TEXT>
Document 2 - file: d696312dex99a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(2)
<SEQUENCE>3
<FILENAME>d696312dex99a2.htm
<DESCRIPTION>ARTICLES OF AMENDMENT, DATED OCTOBER 14, 1988 (2)
<TEXT>
Document 3 - file: d696312dex99a2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(3)
<SEQUENCE>4
<FILENAME>d696312dex99a3.htm
<DESCRIPTION>ARTICLES OF AMENDMENT, DATED NOVEMBER 16, 1988*
<TEXT>
Document 4 - file: d696312dex99a3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(E)
<SEQUENCE>5
<FILENAME>d696312dex99e.htm
<DESCRIPTION>DIVIDEND REINVESTMENT PLAN
<TEXT>
Document 5 - file: d696312dex99e.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(1)
<SEQUENCE>6
<FILENAME>d696312dex99g1.htm
<DESCRIPTION>INVESTMENT MGMT AGREEMENT BETWEEN THE REGISTRANT AND FRANKLIN TEMPLETON FUND ADV
<TEXT>
Document 6 - file: d696312dex99g1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(2)
<SEQUENCE>7
<FILENAME>d696312dex99g2.htm
<DESCRIPTION>SUBADVISORY AGREEMENT BETWEEN FRANKLIN TEMPLETON FUND ADVISER, LLC
<TEXT>
Document 7 - file: d696312dex99g2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(J)(1)
<SEQUENCE>8
<FILENAME>d696312dex99j1.htm
<DESCRIPTION>SUBADVISORY AGREEMENT BETWEEN FRANKLIN TEMPLETON FUND ADVISER, LLC
<TEXT>
Document 8 - file: d696312dex99j1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(J)(2)
<SEQUENCE>9
<FILENAME>d696312dex99j2.htm
<DESCRIPTION>AMENDMENT NO. 9 TO THE CUSTODIAN SERVICES AGREEMENT, DATED MAY 1, 2021
<TEXT>
Document 9 - file: d696312dex99j2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(K)(1)
<SEQUENCE>10
<FILENAME>d696312dex99k1.htm
<DESCRIPTION>TRANSFER AGENCY AND SERVICES AGREEMENT WITH COMPUTERSHARE INC.
<TEXT>
Document 10 - file: d696312dex99k1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(K)(2)
<SEQUENCE>11
<FILENAME>d696312dex99k2.htm
<DESCRIPTION>AMENDMENT NO. 9 TO THE TRANSFER AGENCY AND SERVICES AGREEMENT
<TEXT>
Document 11 - file: d696312dex99k2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)
<SEQUENCE>12
<FILENAME>d696312dex99l.htm
<DESCRIPTION>OPINION
<TEXT>
Document 12 - file: d696312dex99l.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(N)
<SEQUENCE>13
<FILENAME>d696312dex99n.htm
<DESCRIPTION>CONSENT
<TEXT>
Document 13 - file: d696312dex99n.htm

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<DOCUMENT>
<TYPE>EX-99.(R)(1)
<SEQUENCE>14
<FILENAME>d696312dex99r1.htm
<DESCRIPTION>CODE OF ETHICS OF THE FUND AND FTFA**
<TEXT>
Document 14 - file: d696312dex99r1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(R)(2)
<SEQUENCE>15
<FILENAME>d696312dex99r2.htm
<DESCRIPTION>CODE OF ETHICS OF WESTERN ASSET**
<TEXT>
Document 15 - file: d696312dex99r2.htm

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<TYPE>EX-FILING FEES
<SEQUENCE>16
<FILENAME>d696312dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
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Document 16 - file: d696312dexfilingfees.htm

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<TYPE>EX-101.SCH
<SEQUENCE>18
<FILENAME>wamhifi-20250714.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
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Document 18 - file: wamhifi-20250714.xsd

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Document 24 - file: g696312g00g09.jpg

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