AFAXX - American Funds U.S. Government Money Market Fund
7-day yield, assets, and how it ranks - from the July 2026 month-end N-MFP filing.
Data: July 2026 month-end SEC filings
All figures are from the July 2026 month-end Form N-MFP filings (report date ) - money-market funds must file within five business days of month-end. Regulatory data, not live quotes.
- As of the Form N-MFP filing (July 2026 month-end), AFAXX (American Funds U.S. Government Money Market Fund) has a 7-day net yield of 3.22%.
- AFAXX's 7-day yield ranks #581 of 870 US money-market fund ticker share classes reporting a yield for July 2026.
- AFAXX is a Government money-market fund share class with $23.5B in net assets (#66 of 870 ticker classes by size).
- The fund's series-level 7-day gross yield was 3.73% - the 0.51-point gap to this class's net yield reflects fund expenses.
- At July 2026 month-end the fund's portfolio had a weighted average maturity (WAM) of 33 days and a weighted average life (WAL) of 49 days, with 65.4% of assets in daily liquid assets and 91.6% in weekly liquid assets (SEC minimums: 25% daily, 50% weekly).
- Twelve months earlier (July 2025) AFAXX's 7-day yield was 3.87% - it has moved down 0.65 points over the year.
- AFAXX's highest month-end 7-day yield in the SEC's structured data (since April 2016) is 4.98%, reported for October 2023.
Yield history
Portfolio (series level)
Other share classes of this fund
| Class | Ticker | 7-day yield | Net assets | Min. investment |
|---|---|---|---|---|
| 529A | AAFXX | 3.17% | $2.8B | $1,000 |
| F2 | AFGXX | 3.34% | $2.6B | $1,000 |
| R6 | RAFXX | 3.41% | $1.6B | $1,000 |
| R3 | RACXX | 2.76% | $930.3M | $1,000 |
| R4 | RADXX | 3.06% | $793.2M | $1,000 |
| R2 | RABXX | 2.32% | $689.1M | $1,000 |
| 529F2 | - | 3.32% | $466.3M | $1,000 |
| R5E | RAGXX | 3.26% | $319.8M | $1,000 |
| F3 | USGXX | 3.41% | $299.1M | $1,000 |
| F1 | AFFXX | 3.04% | $234.4M | $1,000 |
| R5 | RAEXX | 3.36% | $177.2M | $1,000 |
| C | AFCXX | 3.08% | $127.3M | $1,000 |
| 529E | EAFXX | 3.08% | $102.0M | $1,000 |
| R2E | RBEXX | 2.61% | $97.9M | $1,000 |
| R1 | RAAXX | 3.34% | $37.5M | $1,000 |
| 529C | CCFXX | 3.04% | $26.7M | $1,000 |
| ABLEA | AAZXX | 3.27% | $7.7M | $1,000 |
| 529F3 | - | 3.36% | $1.7M | $1,000 |
| ABLEF2 | - | 3.38% | $834,582 | $1,000 |
Fund context & source
American Funds U.S. Government Money Market Fund is a series of American Funds U.S. Government Money Market Fund (SEC series ID S000025394). The whole series held $34.8B across all share classes at July 2026 month-end.
This page shows the class's month-end regulatory filing, not a live quote - 7-day yields move daily. For today's yield, check the fund company's website. Verify the filing itself on EDGAR: N-MFP filings for this series.
FAQ
What is AFAXX's 7-day yield?
As of the July 2026 month-end SEC Form N-MFP filing (July 31, 2026), AFAXX (American Funds U.S. Government Money Market Fund) has a 7-day net yield of 3.22%.
Is AFAXX a government money market fund?
Yes - AFAXX is classified as a Government money-market fund in its own July 2026 Form N-MFP filing.
What is the minimum initial investment for AFAXX?
AFAXX reports a minimum initial investment of $1,000 on its July 2026 Form N-MFP filing.