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 811-5822

                            MFS CHARTER 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: November 30

             Date of reporting period: July 1, 2005 - June 30, 2006


ITEM 1. PROXY VOTING RECORD.

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

ICA File Number: 811-05822
Reporting Period: 07/01/2005 - 06/30/2006
MFS Charter Income Trust









=========================== MFS CHARTER INCOME TRUST ===========================


GRAND CASINOS, INC.

Ticker:                      Security ID:  700690AL4
Meeting Date: JUL 22, 2005   Meeting Type: Written Consent
Record Date:  JUL 8, 2005

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     PROPOSED AMENDMENTS TO THE INDENTURES AND For       For        Management
      THE ISSUANCE OF THE GUARANTEES


--------------------------------------------------------------------------------

STERLING CHEMICALS, INC.

Ticker:       SCHI           Security ID:  859166100
Meeting Date: APR 21, 2006   Meeting Type: Annual
Record Date:  MAR 3, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Richard K. Crump           For       Withhold   Management
1.2   Elect Director Dr. Peter Ting Kai Wu      For       Withhold   Management
2     Ratify Auditors                           For       For        Management

========== 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 CHARTER INCOME TRUST


By (Signature and Title) MARIA F. DWYER*
                         -------------------------------------------
                         Maria F. Dwyer, Principal Executive Officer

Date: August 25, 2006


*By (Signature and Title) SUSAN S. NEWTON
                          ------------------------------------------
                          Susan S. Newton, as attorney-in-fact

*    Executed by Susan S. Newton on behalf of Maria F. Dwyer pursuant to a Power
     of Attorney dated July 13, 2006. (1)

(1)  Incorporated by reference to MFS Series Trust X (File Nos. 33-1657 and
     811-4492) Post-Effective Amendment No. 61 filed with the SEC via EDGAR on
     July 27, 2006.