    <SEC-DOCUMENT>0001137439-21-000944-index.html : 20211004
    <SEC-HEADER>0001137439-21-000944.hdr.sgml : 20211004
    <ACCEPTANCE-DATETIME>20211001174528
    ACCESSION NUMBER:		0001137439-21-000944
    CONFORMED SUBMISSION TYPE:	497
    PUBLIC DOCUMENT COUNT:		7
    FILED AS OF DATE:		20211004
    DATE AS OF CHANGE:		20211001
    EFFECTIVENESS DATE:		20211004

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		497
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-258757
    		FILM NUMBER:		211300221

    	BUSINESS ADDRESS:
    		STREET 1:		100 INDEPENDENCE
    		STREET 2:		610 MARKET STREET
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19106-2354
    		BUSINESS PHONE:		18005231918

    	MAIL ADDRESS:
    		STREET 1:		100 INDEPENDENCE
    		STREET 2:		610 MARKET STREET
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19106-2354

    	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

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	VOYAGEUR FLORIDA INSURD MUNICIPAL INCOME FUND
    		DATE OF NAME CHANGE:	19930122
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>497
    <SEQUENCE>1
    <FILENAME>202110vfl497.htm
    <TEXT>
    Document 1 - file: 202110vfl497.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image00001.jpg
    <TEXT>
    Document 2 - file: image00001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image00002.jpg
    <TEXT>
    Document 3 - file: image00002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image00003.jpg
    <TEXT>
    Document 4 - file: image00003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image00004.jpg
    <TEXT>
    Document 5 - file: image00004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image00006.jpg
    <TEXT>
    Document 6 - file: image00006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image00007.jpg
    <TEXT>
    Document 7 - file: image00007.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>