3-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 3-year US government bonds stood at 3.61 percent on 30 September 2025, versus 3.63 on 29 September.
Sample. The daily time series plotted above has 8,943 data points. The time period covered by the series stretches from January 1990 to September 2025.
History. Check out a few statistics we computed on the full sample: the yield averaged 3.42 percent; it hit a maximum of 9.11 on 26 April 1990; it reached a minimum of 0.10 on 4 August 2020.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-26 | 3.66 |
| 2025-09-29 | 3.63 |
| 2025-09-30 | 3.61 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 3-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: Nominal yields
Series in the same data set: 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 | 5691 | 2003-01-02 | 2025-09-30 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5691 | 2003-01-02 | 2025-09-30 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5691 | 2003-01-02 | 2025-09-30 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5300 | 2004-07-27 | 2025-09-30 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3906 | 2010-02-22 | 2025-09-30 |