US National Debt Reaches 124% of GDP Amid Economic Resilience

The US gross federal debt has officially exceeded $40 trillion, reaching approximately $40.05 trillion as of mid-August 2026. This milestone translates to a debt-to-GDP ratio of around 124%, a stark contrast to the 31.8% recorded in the 1980s. Notably, this surge in debt occurs during a period of economic stability, with unemployment at 4.1% and solid GDP growth.

The debt-to-GDP ratio has shown a consistent upward trend over the past 46 years, climbing from 31.8% in 1980 to 122.6% in early 2026, before hitting 124% mid-year. The public debt portion alone accounts for nearly 100% of GDP, with federal budget deficits projected to exceed $1.8 to $2 trillion annually, which is approximately 6% of GDP.

As interest rates rise, particularly with 30-year Treasury yields nearing 5.3%, the implications extend beyond government borrowing costs. Higher rates increase interest payments on existing debt, further widening the deficit and necessitating additional borrowing, creating a cycle of escalating debt.

Richmond Fed President Tom Barkin has highlighted the resilience of the US economy, noting that real GDP growth has averaged 2.5% annually since 2023, surpassing many economists' expectations. However, he cautions that the ballooning public debt could lead to a 'reckoning' if investor appetite for US government bonds diminishes.

With calls for bipartisan fiscal action growing, particularly regarding entitlement reform, the sustainability of programs like Social Security and Medicare remains a pressing concern. The focus is shifting to the interest expense as a share of federal revenue, which is projected to become one of the largest components of the federal budget.