Freely Downloadable Data Sets Updated Daily

US Treasury constant-maturity par yields (Department of the Treasury)

Daily time series of constant-maturity Treasury par yields published by the Department of the Treasury

Interest rates: Government bonds

Download Dataset (.xlsx)

Worksheet 1: Nominal yields

Series Name Observations Start Date End Date
1-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 6200 2001-07-31 2026-05-15
2-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 1895 2018-10-16 2026-05-15
3-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9096 1990-01-02 2026-05-15
4-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 893 2022-10-19 2026-05-15
6-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
1-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
2-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
3-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
5-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
7-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
10-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 9099 1990-01-02 2026-05-15
20-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 8160 1993-10-01 2026-05-15
30-year par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily 8105 1990-01-02 2026-05-15

Worksheet 2: 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 5847 2003-01-02 2026-05-15
7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily 5847 2003-01-02 2026-05-15
10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily 5847 2003-01-02 2026-05-15
20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily 5456 2004-07-27 2026-05-15
30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily 4062 2010-02-22 2026-05-15