Explanatory Note

This Post-Effective Amendment No. 176 under the Securities Act of 1933, as amended (the “Securities Act”) (Amendment No. 176 under the Investment Company Act of 1940, as amended (the “1940 Act”)) to the registration statement on Form N-1A (the “Registration Statement”) of Vanguard World Fund (the “Trust”) is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act solely for the purpose of delaying, until September 11, 2025, the pending effective date of the Trust’s Post-Effective Amendment No. 175.

Post-Effective Amendment No. 175 was filed under Rule 485(a)(2) on May 30, 2025, to register shares of Vanguard Emerging Markets Ex-China ETF, a new series of the Trust. Post-Effective Amendment No. 175 originally requested that the Amendment become effective August 13, 2025, pursuant to the requirements of Rule 485(a)(1).

This Post-Effective Amendment No. 176 incorporates by reference the information contained in Parts A, B, and C of Post-Effective Amendment No. 175 to the Trust’s Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant hereby certifies that it meets all requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the Town of Valley Forge and the Commonwealth of Pennsylvania, on the 12th day of August, 2025.

VANGUARD WORLD FUND

BY: /s/ Salim Ramji*

Salim Ramji

Chief Executive Officer, President, and Trustee

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

*By: /s/ Tonya T. Robinson

Tonya T. Robinson, pursuant to a Power of Attorney filed on February 28, 2025 (see File Number 33-64845), Incorporated by Reference.