September 2025 | Released September 08, 2025


+$2.09T
Change in gross national debt
Sep 04, 2024 to Sep 04, 2025
$283,098
Gross national debt per household
Sep 04, 2025
3.415 percent
Avg. int. rate on total marketable debt
Aug 2025


Growth of the national debt






Interest rate on U.S. debt


U.S. public debt in the form of Treasury securities is primarily made up of bills (4-52 weeks), notes (2-10 years), and bonds (20-30 years). Others include Treasury Inflation Protected Securities, Cash Management Bills, and Floating Rate Notes.

  • Net interest as a share of outlays is forecast by the Congressional Budget Office to be 13.55 percent in FY2025, 13.85 percent in FY2026, and 14.11 percent in FY2027.

  • As of August 2025, the average interest rate on the total marketable national debt is 3.415 percent. One year ago, it was 3.415 percent; five years ago, it was 1.661 percent.

  • The total amount of interest paid to trust funds over the past 12 months was $241.26 billion, an average of $20.10 billion per month.




Composition of U.S. debt


  • A bid-to-cover ratio of 2 or higher reflects strong Treasury demand. As of August 2025, the bid-to-cover ratio for Treasury bills (4-week) is 2.78, for notes (10-year) is 2.35, and for bonds (30-year) is 2.27.

  • As of August 2025, of the $29.97 trillion of total public debt outstanding, $15.21 trillion (50.74 percent) is in notes, $6.37 trillion (21.25 percent) is in bills, and $5.09 trillion (16.97 percent) is in bonds. $3.31 trillion (11.04 percent) is in other securities.

  • As of the most recent data from Q3 of FY2025, approximately 31 percent of U.S. publicly held marketable debt will be maturing within 12 months.

  • As of the most recent data from June 2025, the average maturity is 72 months. In June 2024, it was 71 months; in June 2020, it was 62 months.




Upcoming releases


Date Time Release Data source
Sep 11 08:30 AM Monthly Inflation Update, August 2025 Bureau of Labor Statistics
Sep 12 10:00 AM Monthly Fiscal Update, August 2025 U.S. Treasury
Sep 19 10:00 AM State Employment Update, August 2025 Bureau of Labor Statistics
Sep 25 08:30 AM Monthly GDP Update, Q2 2025 Third Estimate Bureau of Economic Analysis
Sep 26 08:30 AM Monthly Expenditures Update, August 2025 Bureau of Economic Analysis
Oct 03 08:30 AM Monthly Employment Update, September 2025 Bureau of Labor Statistics
Oct 07 10:00 AM Monthly Debt Update, October 2025 U.S. Treasury
Oct 07 08:30 AM Monthly Trade Update, August 2025 Bureau of Economic Analysis


Notes


Source: U.S. Treasury; JEC Republicans calculations