Federal Debt Adds $404 Billion in August, the Largest Month of Fiscal 2026

US federal debt closed August at $40.18 trillion, up $404.02 billion from July 31, the largest single-month rise of fiscal 2026 and the first month-end close above $40T.

US federal debt closed August at $40.18 trillion, up $404.02 billion from July 31, the largest single-month rise of fiscal 2026 and the first month-end close above $40T.