US Agency Debt Since 1945

Agency debt (primarily debt from agencies and government-sponsored enterprises like the Federal National Mortgage Association that securitize home mortgage debt) started the immediate post World War II era at with a level of debt less than 0.5 percent of GDP and didn’t hit 1 percent of GDP till 1957.

But then agency debt began an exponential rise, with debt hitting 2 percent of GDP in 1965, blowing past 5 percent of GDP in 1973, reaching 10 percent of GDP in 1981.

Agency debt blew past 20 percent of GDP in 1988, exceeded 30 percent of GDP in 1995, and hit 40 percent of GDP in 1999, and agency debt peaked at 52 percent of GDP in 2003 at the end of the 2000-02 recession.

In the 2000s expansion agency debt declined to 46.7 percent of GDP by 2006, but then blew off in the Crash of 2008, peaking at 56.1 percent of GDP in the Great Recession year of 2009.

After the Crash of 2008 agency debt decreased rapidly to 46.6 percent of GDP by 2012 and then began a more gradual decline to 45.5 percent of GDP by 2014.

In response to the COVID crisis of 2020 agency debt increased to 48 percent of GDP in 2020.

On June 16, 2026, the Center for Medicare Services released its annual Medicare Trustees Report, which projects Medicare spending out to 2095.  As in the past, the report shows that federal health-care programs will eat the budget.

In this report the Trustees forecast that Medicare will top out at a little above 6 percent of GDP in the 2080s.

On June 15, 2026, usgovernmentspending.com updated its chart of the Medicare Outlook here based on data in the 2026 Medicare Trustees Report.  You can download the data and also view selected Medicare Trustee forecasts going back to 2005.

In June 2026, the Social Security Administration released its annual OASDI Trustees Report, which projects Social Security spending out to 2095.  As in the past, the report shows that Social Security spending will max out at about 6 percent of GDP. UsGovernmentspending.com uses the Supplemental Single Year Tables.

On June 15, 2026, usgovernmentspending.com updated its chart of the Social Security Outlook here based on data in the 2026 OASDI Trustees Report.  You can download the data and also view selected OASDI Trustee forecasts going back to 1997.