| American Funds U.S. Government Money Market Fund | Class A | AFAXX | — |
| American Funds U.S. Government Money Market Fund | Class 529-F-1 | FARXX | — |
| American Funds U.S. Government Money Market Fund | Class R-1 | RAAXX | — |
| American Funds U.S. Government Money Market Fund | Class R-2 | RABXX | — |
| American Funds U.S. Government Money Market Fund | Class R-3 | RACXX | — |
| American Funds U.S. Government Money Market Fund | Class R-4 | RADXX | — |
| American Funds U.S. Government Money Market Fund | Class R-5 | RAEXX | — |
| American Funds U.S. Government Money Market Fund | Class R-6 | RAFXX | — |
| American Funds U.S. Government Money Market Fund | Class C | AFCXX | — |
| American Funds U.S. Government Money Market Fund | Class F-1 | AFFXX | — |
| American Funds U.S. Government Money Market Fund | Class F-2 | AFGXX | — |
| American Funds U.S. Government Money Market Fund | Class 529-A | AAFXX | — |
| American Funds U.S. Government Money Market Fund | Class 529-C | CCFXX | — |
| American Funds U.S. Government Money Market Fund | Class 529-E | EAFXX | — |
| American Funds U.S. Government Money Market Fund | Class R-2E | RBEXX | — |
| American Funds U.S. Government Money Market Fund | Class R-5E | RAGXX | — |
| American Funds U.S. Government Money Market Fund | Class F-3 | USGXX | — |
| American Funds U.S. Government Money Market Fund | Class 529-T | TSIXX | — |
| American Funds U.S. Government Money Market Fund | Class T | TTMXX | — |
| American Funds U.S. Government Money Market Fund | Class ABLE-A | AAZXX | — |
| S000025394 | Class 529-F-2 | — | Yes |
| S000025394 | Class 529-F-3 | — | Yes |
| S000025394 | Class ABLE-F-2 | — | Yes |