Bills were 23.0% of marketable Treasury debt at the end of October 2026, 1.0 points more than a year earlier

Marketable debt of $32.2T · bills mature within a year, so their share is a floor for the debt that must be refinanced within the year

Macro · Debt and interest · U.S. Treasury (Bureau of the Fiscal Service) (Monthly Statement of the Public Debt) · 30 Oct 2026