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 2.93 percent on 18 September 2026, versus 2.87 on 17 September 2026.
Sample. There are 5,542 data points in the daily time series shown in the figure above. The series covers the period extending from July 2004 to September 2026.
History. Here's a snapshot of a few descriptive statistics computed on the whole sample: the yield reached a maximum of 3.35 percent on 31 October 2008; it hit a trough of -0.76 on 9 November 2021; it had a mean of 1.28.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-16 | 2.93000 |
| 2026-09-17 | 2.87000 |
| 2026-09-18 | 2.93000 |
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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 | 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 |