US Average Interest Rate: TIPS

1.08% as of May 2026 · U.S. Treasury Fiscal Data

Weighted average interest rate on outstanding Treasury Inflation-Protected Securities, monthly.

LevelYoY %IndexedCSVJSON
1.002.003.0020082012201620202024Drag across the chart or use the arrow keys to read each observation.

2004–2026 · 260 observationssource: U.S. Treasury Fiscal Data · vintage 2026-07-04

Methodology

Treasury Fiscal Data 'Average Interest Rates on U.S. Treasury Securities', filtered to Treasury Inflation-Protected Securities. Monthly weighted average of the real coupon rate on outstanding TIPS, via the Bureau of the Fiscal Service.

Related series

US Average Interest Rate: Total Marketable Debt
%
US Average Interest Rate: Total Non-marketable Debt
%
US Average Interest Rate: Treasury Bills
%
US Average Interest Rate: Treasury Bonds
%
US Average Interest Rate: Treasury Notes
%
US Debt Held by the Public
USD