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 4.73 percent on 24 September 2025, versus 4.70 on the previous day.
Sample. There are 8,000 observations overall in the daily time series shown in the chart above. The series covers the span of time going from October 1993 to September 2025.
History. Here’s a quick look at some summary statistics we calculated on the full sample: the yield peaked at 8.30 percent on 4 November 1994; it reached a minimum of 0.87 on 9 March 2020; it had a mean value of 4.37.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-22 | 4.73 |
| 2025-09-23 | 4.7 |
| 2025-09-24 | 4.73 |
Nugget of wisdom. For easier exploration, we categorize time series into data sets and worksheets. By moving down the page, you will discover how we arranged further information linked to the statistics found here.
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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 | 5687 | 2003-01-02 | 2025-09-24 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5687 | 2003-01-02 | 2025-09-24 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5687 | 2003-01-02 | 2025-09-24 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5296 | 2004-07-27 | 2025-09-24 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3902 | 2010-02-22 | 2025-09-24 |