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 was 2.25 percent on 30 September 2025, versus 2.24 on 29 September 2025.
Sample. In the daily time series plotted above, there are a total of 5,300 observations. The series covers the time span going from July 2004 to September 2025.
History. Have a look at a few statistics we computed on the full sample: the yield reached its minimum of -0.76 percent on 9 November 2021; it hit a maximum of 3.35 on 31 October 2008; it had a mean value of 1.22.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-26 | 2.27 |
| 2025-09-29 | 2.24 |
| 2025-09-30 | 2.25 |
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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: 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 |