20-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 20-year US government bonds was 4.76 percent on 30 December 2025, versus 4.75 on 29 December 2025.
Sample. There are 8,065 observations overall in the daily time series displayed in the figure above. The series covers the time period stretching from October 1993 to December 2025.
History. Here's a snapshot of a few descriptive statistics we computed on the entire sample: the yield peaked at 8.30 percent on 4 November 1994; it reached its lowest level of 0.87 on 9 March 2020; it had an average value of 4.38.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-12-26 | 4.76 |
| 2025-12-29 | 4.75 |
| 2025-12-30 | 4.76 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 20-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 | 5752 | 2003-01-02 | 2025-12-30 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5752 | 2003-01-02 | 2025-12-30 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5752 | 2003-01-02 | 2025-12-30 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5361 | 2004-07-27 | 2025-12-30 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3967 | 2010-02-22 | 2025-12-30 |