EX-99.906CERT
CERTIFICATION
PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the shareholder report of American Century World Mutual Funds, Inc. (the "Registrant") on Form N-CSR for the period ending November 30, 2021 (the "Report"), we, the undersigned, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
(1) The Report fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934; and
(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.
| Date: | January 31, 2022 | ||||||||||
| By: | /s/ Patrick Bannigan | ||||||||||
| Patrick Bannigan | |||||||||||
| President | |||||||||||
| (chief executive officer) | |||||||||||
| By: | /s/ R. Wes Campbell | ||||||||||
| R. Wes Campbell | |||||||||||
| Treasurer and Chief Financial Officer | |||||||||||
| (chief financial officer) | |||||||||||