Average interest rate
Total Non-marketable
The average rate on debt that cannot be resold — savings bonds, State and Local Government Series, and intragovernmental holdings such as the Social Security trust funds.
Latest (Aug 2026)
3.56%
▲ +0.096 pp MoM
Year-over-year
▲ +0.374 pp
vs. Aug 2025
13-year low
2.02%
Jan 2022
13-year high
3.59%
Jan 2013
This is an average, not today's rate. Non-marketable debt has no market yield, but the rates the Treasury issues at today are visible in the yield curve — 4.96% on the 10-year.
Total Non-marketable — average rate history
Monthly, Jan 2013 – Aug 2026.
Download: rates-total-non-marketable.csv · CSV · public domain
Last 24 months
| Month | Avg. rate | MoM |
|---|---|---|
| Aug 2026 | 3.559% | ▲ +0.096 pp |
| Jul 2026 | 3.463% | ▲ +0.064 pp |
| Jun 2026 | 3.399% | ▲ +0.198 pp |
| May 2026 | 3.201% | ▲ +0.010 pp |
| Apr 2026 | 3.191% | ▲ +0.037 pp |
| Mar 2026 | 3.154% | ▼ -0.007 pp |
| Feb 2026 | 3.161% | ▼ -0.014 pp |
| Jan 2026 | 3.175% | ▲ +0.016 pp |
| Dec 2025 | 3.159% | ▼ -0.042 pp |
| Nov 2025 | 3.201% | ▲ +0.015 pp |
| Oct 2025 | 3.186% | ▲ +0.013 pp |
| Sep 2025 | 3.173% | ▼ -0.012 pp |
| Aug 2025 | 3.185% | ▲ +0.034 pp |
| Jul 2025 | 3.151% | ▲ +0.168 pp |
| Jun 2025 | 2.983% | ▼ -0.010 pp |
| May 2025 | 2.993% | ▼ -0.006 pp |
| Apr 2025 | 2.999% | ▼ -0.001 pp |
| Mar 2025 | 3.000% | ▲ +0.005 pp |
| Feb 2025 | 2.995% | ▼ -0.050 pp |
| Jan 2025 | 3.045% | ▼ -0.001 pp |
| Dec 2024 | 3.046% | ▼ -0.011 pp |
| Nov 2024 | 3.057% | ▲ +0.006 pp |
| Oct 2024 | 3.051% | ▲ +0.009 pp |
| Sep 2024 | 3.042% | — |