October 9, 2026

Budget, Personal Loans

Average Interest Rate on the Federal Debt Hits 3.531% as New Bonds Pay 5.618%

The neoclassical stone facade and tall columns of the United States Treasury Department building in Washington DC lit by late afternoon sunlight under a clear sky

Treasury's blended rate on all interest bearing federal debt reached 3.531% on September 30, the highest since April 2009, while new 30-year bonds cleared 5.618%.

Mitch Strohm
October 9, 2026