US National Debt and Interest Payments: What $39.9 Trillion Actually Means

The US national debt is $39.89 trillion as of August 7, 2026 (US Treasury). Net interest hit a record $970.4 billion in FY2025 (3.2% of GDP) and is now running…

Alexander Hamilton Establishes the First US National Debt

Treasury Secretary Alexander Hamilton had the federal government assume Revolutionary War-era state debts, consolidating them to establish US creditworthiness - the foun…

WWII Pushes Debt-to-GDP to an All-Time High of ~113%

Wartime borrowing and war-bond drives pushed debt-to-GDP to roughly 113%, still the historical peak. The postwar economy grew its way down from that level over decades w…

Tax Cuts and Defense Buildup Triple the Debt

The 1981 Economic Recovery Tax Act cut taxes sharply while Cold War defense spending rose, roughly tripling the national debt over the decade - the first modern peacetim…

The 2008 Crisis and TARP Expand Borrowing

The $700 billion Troubled Asset Relief Program and a sharp fall in tax revenue during the Great Recession pushed the debt from $5.7 trillion in 2001 to $10.7 trillion by…

COVID-19 Triggers the Largest Peacetime Borrowing Surge

The CARES Act and related pandemic legislation added trillions in emergency spending; debt surpassed $27 trillion by end-2020, even as near-zero rates kept that year's i…

Fed Rate Hikes Push Net Interest From $475B to $659B

The Federal Reserve raised rates from near zero to above 5% to fight inflation. Net interest jumped from $475.1B (FY2022) to $659.2B (FY2023) as new and refinanced debt…

Debt Ceiling Raised to $41.1T; Interest Hits Record 3.2% of GDP

The One Big Beautiful Bill Act (P.L. 119-21), signed July 4, 2025, raised the debt ceiling by $5 trillion to $41.1 trillion. FY2025 closed with $970.4 billion in net int…

Debt Nears $40T; Interest Overtakes Defense and Medicare YTD

Total debt reached $39.89 trillion by August 7, 2026. Nine months into FY2026, net interest ($827.2B) already exceeds both defense ($713.1B) and Medicare ($780.3B) on a…