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 3.42 percent on 13 February 2026, compared to 3.45 on the previous day.
Sample. The daily time series shown in the figure has 9,035 observations. The series covers the period extending from January 1990 to February 2026.
History. Here are some simple statistics we calculated on the entire sample: the yield reached its minimum of 0.04 percent on 21 May 2021; it achieved a maximum of 8.64 on 26 April 1990; it was equal on average to 3.01.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-02-11 | 3.47 |
| 2026-02-12 | 3.45 |
| 2026-02-13 | 3.42 |
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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 | 5783 | 2003-01-02 | 2026-02-13 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5783 | 2003-01-02 | 2026-02-13 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5783 | 2003-01-02 | 2026-02-13 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5392 | 2004-07-27 | 2026-02-13 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3998 | 2010-02-22 | 2026-02-13 |