<SEC-DOCUMENT>0001206774-21-001560-index.html : 20210604
<SEC-HEADER>0001206774-21-001560.hdr.sgml : 20210604
<ACCEPTANCE-DATETIME>20210604172001
ACCESSION NUMBER:		0001206774-21-001560
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210604
DATE AS OF CHANGE:		20210604
EFFECTIVENESS DATE:		20210604

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:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07410
		FILM NUMBER:		21997446

	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>N-CSR
<SEQUENCE>1
<FILENAME>mimnmif3904121-ncsr.htm
<DESCRIPTION>CERTIFIED SHAREHOLDER REPORT
<TEXT>
Document 1 - file: mimnmif3904121-ncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>mimnmif3904121-ex99cert.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
Document 2 - file: mimnmif3904121-ex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>mimnmif3904121-ex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
<TEXT>
Document 3 - file: mimnmif3904121-ex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>mimcef3904121-ncsr1x1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: mimcef3904121-ncsr1x1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>mimcef3904121-ncsr2x3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: mimcef3904121-ncsr2x3x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>mimcef3904121-ncsr2x3x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: mimcef3904121-ncsr2x3x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>mimcef3904121-ncsr2x3x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: mimcef3904121-ncsr2x3x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>mimcef3904121-ncsr2x4x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: mimcef3904121-ncsr2x4x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>mimcef3904121-ncsr2x4x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: mimcef3904121-ncsr2x4x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>mimcef3904121-ncsr2x4x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: mimcef3904121-ncsr2x4x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>mimcef3904121-ncsr3x2x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: mimcef3904121-ncsr3x2x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>mimcef3904121-ncsr3x2x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: mimcef3904121-ncsr3x2x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>mimcef3904121-ncsr3x2x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: mimcef3904121-ncsr3x2x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>mimcef3904121-ncsr3x3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: mimcef3904121-ncsr3x3x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>mimcef3904121-ncsr3x3x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: mimcef3904121-ncsr3x3x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>mimcef3904121-ncsr3x3x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: mimcef3904121-ncsr3x3x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>mimcef3904121-ncsr4x1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: mimcef3904121-ncsr4x1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>mimcef3904121-ncsr4x2x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: mimcef3904121-ncsr4x2x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>