<SEC-DOCUMENT>0001999371-24-014206.txt : 20241031
<SEC-HEADER>0001999371-24-014206.hdr.sgml : 20241031
<ACCEPTANCE-DATETIME>20241031155813
ACCESSION NUMBER:		0001999371-24-014206
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241031
DATE AS OF CHANGE:		20241031

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NUVEEN MUNICIPAL INCOME FUND INC
		CENTRAL INDEX KEY:			0000830271
		ORGANIZATION NAME:           	
		IRS NUMBER:				363566347
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-274654
		FILM NUMBER:		241415090

	BUSINESS ADDRESS:	
		STREET 1:		333 W WACKER DR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3129178200

	MAIL ADDRESS:	
		STREET 1:		333 W WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>nmi-424b3_103124.htm
<DESCRIPTION>PROSPECTUS
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps"><B>Nuveen
Municipal Income Fund, Inc. (NYSE: NMI) (the &ldquo;Fund&rdquo;)</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps"><B>Supplement
Dated October 31, 2024</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps"><B>To
The Fund&rsquo;s Currently Effective Prospectus</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Effective
October 31, 2024, the information appearing under the heading &ldquo;Risk Factors&rdquo; of the Prospectus is hereby supplemented with
the below. This supplement will be effective for the Fund until the Fund&rsquo;s next annual report filed on Form N-CSR is available.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>Direct
lending risk:</I> The Fund may engage in direct lending. Direct loans between the Fund and a borrower may not be administered by an underwriter
or agent bank. The Fund may provide financing to commercial borrowers directly or through companies affiliated with the Fund. The terms
of the direct loans are negotiated with borrowers in private transactions. Furthermore, a direct loan may be secured or unsecured. The
Fund will rely primarily upon the creditworthiness of the borrower and/or any collateral for payment of interest and repayment of principal.
Direct loans may subject the Fund to liquidity risk, interest rate risk, and borrower default or insolvency. Direct loans are not publicly
traded and may not have a secondary market which may have an adverse impact on the ability of the Fund to dispose of a direct loan and/or
value the direct loan. The Fund&rsquo;s performance may be impacted by the Fund&rsquo;s ability to lend on favorable terms as the Fund
may be subject to increased competition or a reduced supply of qualifying loans which could lead to lower yields and reduce Fund performance.</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
part of its lending activities, the Fund may originate loans to companies that are experiencing significant financial or business difficulties,
including companies involved in bankruptcy or other reorganization and liquidation proceedings. Although the terms of such financing
may result in significant financial returns to the Fund, they involve a substantial degree of risk. The level of analytical sophistication,
both financial and legal, necessary for successful financing to companies experiencing significant business and financial difficulties
is unusually high. Different types of assets may be used as collateral for the Fund&rsquo;s loans and, accordingly, the valuation of
and risks associated with such collateral will vary by loan. There is no assurance that the Fund will correctly evaluate the value of
the assets collateralizing the Fund&rsquo;s loans or the prospects for a successful reorganization or similar action. In any reorganization
or liquidation proceeding relating to a borrower that the Fund is lending money to, the Fund may lose all or part of the amounts advanced
to the borrower or may be required to accept collateral with a value less than the amount of the loan advanced by the Fund to the borrower.
Furthermore, in the event of a default by a borrower, the Fund may have difficulty disposing of the assets used as collateral for a loan.
To the extent the Fund seeks to engage in direct lending, the Fund will be subject to enhanced risks of litigation, regulatory actions
and other proceedings. As a result, the Fund may be required to pay legal fees, settlement costs, damages, penalties or other charges,
any or all of which could materially adversely affect the Fund and its holdings.</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PLEASE
KEEP THIS WITH YOUR</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>FUND&rsquo;S
PROSPECTUS FOR FUTURE REFERENCE</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EGN-NMIP-1024P</B></FONT></P>

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