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 3.15 percent on 29 September 2026, compared to 3.14 on 28 September 2026.
Sample. There are 5,549 data points in the daily time series displayed in the graph above. The series covers the span of time going from July 2004 to September 2026.
History. Here's a glimpse of a few simple statistics we computed on the entire sample: the yield had a mean value of 1.28 percent; it hit a minimum of -0.76 on 9 November 2021; it reached its highest level of 3.35 on 31 October 2008.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-25 | 3.08 |
| 2026-09-28 | 3.14 |
| 2026-09-29 | 3.15 |
Hint. Our metadata often include references to the sources of the data series we publish. You can use these references to find additional information.
Not for investment purposes. Data and any other information hosted on FetchSeries are not suitable for investment purposes or any other financial decision. Users should ask for expert advice and perform their own independent due diligence before making any financial commitments.
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 | 5940 | 2003-01-02 | 2026-09-29 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5940 | 2003-01-02 | 2026-09-29 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5940 | 2003-01-02 | 2026-09-29 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5549 | 2004-07-27 | 2026-09-29 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 4155 | 2010-02-22 | 2026-09-29 |