1-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily
This series is part of the dataset: US Treasury constant-maturity par yields (Department of the Treasury)
Download Full Dataset (.xlsx)Latest updates. According to data published by the US Treasury, the par yield on 1-year US government bonds was 4.65 percent on 13 November 2026, as on 12 November 2026.
Sample. In this daily series, there are a total of 9,223 data points. The time span covered by the series goes from January 1990 to November 2026.
History. Have a look at some descriptive statistics computed on the full sample: the yield was equal on average to 3.03 percent; it hit a maximum of 8.64 percent on 26 April 1990; it registered a minimum of 0.04 percent on 21 May 2021.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-11-10 | 4.56000 |
| 2026-11-12 | 4.65000 |
| 2026-11-13 | 4.65000 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 1-year yield US Treasury par yield curve |
| Country | United States |
| Economic concept | Interest rate |
| Data type | Constant-maturity nominal par yield |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Daily |
| Unit | Percentage points |
| Source | U.S. Department of the Treasury |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Interpolated level (constant maturity) |
Series in the same data set
Discover the other time series included in this data set.
Nominal yields
Real yields
| Series Name | Observations | Start Date | End Date |
|---|---|---|---|
| 5-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5971 | 2003-01-02 | 2026-11-13 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5971 | 2003-01-02 | 2026-11-13 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5971 | 2003-01-02 | 2026-11-13 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5580 | 2004-07-27 | 2026-11-13 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 4186 | 2010-02-22 | 2026-11-13 |