Long Default ยท U.S. Fiscal Record
Interest on the U.S. National Debt
Explore federal net interest costs, why they change, and how interest on the national debt affects the U.S. budget.
Source-backed fiscal history
This explainer is part of a 237-year searchable fiscal archive built from Treasury, OMB, CBO, and other cited public records.
Long Default distinguishes annual debt balances from budget flows such as receipts, outlays, deficits, and net interest. Every available record links the measure to its stated coverage and public-source context.