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 stood at 5.38 percent on 18 September 2026, compared to 5.32 on 17 September.
Sample. There are 8,246 observations in the daily time series displayed in the plot above. The series covers the time span going from October 1993 to September 2026.
History. Have a look at a few statistics computed on the whole sample: the yield had an average value of 4.39 percent; it recorded a bottom of 0.87 on 9 March 2020; it attained a maximum of 8.30 on 4 November 1994.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-16 | 5.39000 |
| 2026-09-17 | 5.32000 |
| 2026-09-18 | 5.38000 |
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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 | 5933 | 2003-01-02 | 2026-09-18 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5933 | 2003-01-02 | 2026-09-18 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5933 | 2003-01-02 | 2026-09-18 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5542 | 2004-07-27 | 2026-09-18 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 4148 | 2010-02-22 | 2026-09-18 |