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: 811-2687 NAME OF REGISTRANT: VANGUARD MUNICIPAL BOND FUNDS ADDRESS OF REGISTRANT: PO BOX 2600, VALLEY FORGE, PA 19482 NAME AND ADDRESS OF AGENT FOR SERVICE: ANNE E. ROBINSON PO BOX 876 VALLEY FORGE, PA 19482 REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (610) 669-1000 DATE OF FISCAL YEAR END: OCTOBER 31 DATE OF REPORTING PERIOD: JULY 1, 2021 - JUNE 30, 2022 ******************************* FORM N-Px REPORT ****************************** ICA File Number: 81102687G Reporting Period: 07/01/2021 - 06/30/2022 VANGUARD MUNICIPAL BOND FUNDS Each investment advisor's votes cast are shown separately below. Sections without an investment advisor listed reflect votes cast at the discretion of the Fund. The votes reported do not reflect any votes cast pursuant to a regulatory requirement. ===================== VANGUARD TAX-EXEMPT BOND INDEX FUND ====================== There is no proxy voting activity for the fund, as the fund did not hold any votable positions during the 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. VANGUARD MUNICIPAL BOND FUNDS By: /s/Mortimer J. Buckley Mortimer J. Buckley* Chief Executive Officer, President, and Trustee Date: August 26, 2022 *By: /s/Anne E. Robinson Anne E. Robinson, pursuant to a Power of Attorney filed on November 29, 2021 (see File Number 33-64845) and a Power of Attorney filed on August 26, 2021 (see file Number 811-02652), Incorporated by Reference.