30-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 30-year US inflation-linked government bonds was 3.29 percent on 29 September 2026, compared to 3.28 on 28 September.
Sample. This daily time series has 4,155 observations in total. The series covers the time span stretching from February 2010 to September 2026.
History. Check out a few descriptive statistics we computed on the whole sample: the yield was equal on average to 1.16 percent; it hit a minimum of -0.59 on 3 December 2021; it recorded a maximum of 3.29 on 29 September 2026.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-25 | 3.22 |
| 2026-09-28 | 3.28 |
| 2026-09-29 | 3.29 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 30-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 |