    <SEC-DOCUMENT>0001104659-23-090370-index.html : 20230811
    <SEC-HEADER>0001104659-23-090370.hdr.sgml : 20230811
    <ACCEPTANCE-DATETIME>20230811142237
    ACCESSION NUMBER:		0001104659-23-090370
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20230921
    FILED AS OF DATE:		20230811
    DATE AS OF CHANGE:		20230811

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			abrdn National Municipal Income Fund
    		CENTRAL INDEX KEY:			0000895574
    		IRS NUMBER:				411737161
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0330

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-07410
    		FILM NUMBER:		231163181

    	BUSINESS ADDRESS:
    		STREET 1:		C/O ABRDN
    		STREET 2:		1900 MARKET STREET, SUITE 200
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19103
    		BUSINESS PHONE:		215-405-5700

    	MAIL ADDRESS:
    		STREET 1:		C/O ABRDN
    		STREET 2:		1900 MARKET STREET, SUITE 200
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19103

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Delaware Investments National Municipal Income Fund
    		DATE OF NAME CHANGE:	20081209

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	DELAWARE INVESTMENTS FLORIDA INSURED MUNICIPAL INCOME FUND
    		DATE OF NAME CHANGE:	20020327

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	VOYAGEUR FLORIDA INSURED MUNICIPAL INCOME FUND
    		DATE OF NAME CHANGE:	19930519
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm2323315d1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm2323315d1_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tm2323315d1_comnimg01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tm2323315d1_comnimg01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm2323315d1_comnimg02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm2323315d1_comnimg02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm2323315d1_prefimg01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm2323315d1_prefimg01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2323315d1_prefimg02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2323315d1_prefimg02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm2323315d1proxystatemnti001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm2323315d1proxystatemnti001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm2323315d1proxystatemnti002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm2323315d1proxystatemnti002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>tm2323315d1proxystatemnti003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: tm2323315d1proxystatemnti003.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>