20-year real par yield on Treasuries (percentage points; constant maturity; real) - 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 real par yield on 20-year US inflation-linked government bonds stood at 2.24 percent on 24 September 2025, versus 2.22 on 23 September.
Sample. There are 5,296 observations overall in the daily series displayed in the chart above. The series covers the time span going from July 2004 to September 2025.
History. Check out a few statistics we calculated on the whole sample: the yield had a mean value of 1.22 percent; it reached its highest level of 3.35 on 31 October 2008; it registered a minimum of -0.76 on 9 November 2021.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-22 | 2.25 |
| 2025-09-23 | 2.22 |
| 2025-09-24 | 2.24 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 20-year real yield US Treasury par real yield curve |
| Country | United States |
| Economic concept | Interest rate |
| Data type | Constant-maturity real 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 |