As of 31 March, it stood at $31.265tn, or 100.2% of GDP, the first time above 100% since 1946 after World War Two.
The report says higher debt is constraining crisis response and private investment, while net interest costs overtook defence spending in 2024 and are projected to widen further.
It argues the main risk is eroding trust in US institutions and the dollar, though supporters say Treasury demand and reserve-currency status still make the debt manageable.
As debt interest outpaces defense spending, what critical national investments in America's future are being sacrificed?
With no clear successor, what would a world without the US dollar as its financial anchor actually look like?
U.S. National Debt Surpasses GDP in 2026: A Looming Fiscal Crisis and Urgent Call for Reform
Overview
In March 2026, the U.S. national debt held by the public surpassed the entire annual economic output, reaching a debt-to-GDP ratio of 100.2%. This milestone reflects a long-term trend driven by persistent deficits caused by a structural mismatch between government spending—especially on Social Security and Medicare—and declining revenues due to tax cuts and limited new revenue sources. Rising interest costs on the growing debt further worsen this imbalance, while political gridlock blocks necessary reforms. The debt is projected to grow even more, increasing borrowing costs and inflation risks, while key trust funds face insolvency, threatening automatic benefit cuts and infrastructure funding shortfalls. Urgent bipartisan action is needed to restore fiscal stability.