UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-PX

                     ANNUAL REPORT OF PROXY VOTING RECORD OF
                   REGISTERED MANAGEMENT INVESTMENT COMPANIES

                   Investment Company Act file number 811-4841

                           MFS MUNICIPAL INCOME TRUST
               (Exact name of registrant as specified in charter)

                500 Boylston Street, Boston, Massachusetts 02116
               (Address of principal executive offices) (Zip code)

                                 Susan S. Newton
                    Massachusetts Financial Services Company
                               500 Boylston Street
                           Boston, Massachusetts 02116
                    (Name and address of agents for service)

       Registrant's telephone number, including area code: (617) 954-5000

                       Date of fiscal year end: October 31

             Date of reporting period: July 1, 2007 - June 30, 2008



ITEM 1. PROXY VOTING RECORD.


******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-04841
Reporting Period: 07/01/2007 - 06/30/2008
MFS Municipal Income Trust






========================== MFS MUNICIPAL INCOME TRUST ==========================

NO VOTING RECORDS FOR THIS REPORTING PERIOD

========== END NPX REPORT


                                   SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

Registrant: MFS MUNICIPAL INCOME TRUST


By (Signature and Title) Robert J. Manning
                         ----------------------------------------------
                         Robert J. Manning, Principal Executive Officer

Date: August 26, 2008