美国的社保基金拥有美国国债的30%

The values for fiscal years 1999-2008 are published by the treasury^[22] and about 60% of the debt is held by the public.

As of 2008, Social Security Federal Old-Age and Survivors Insurance Trust Fund holds about half of the government held portion of the debt at 2.2 trillion dollars, with other large holders including the Federal Housing Administration, the Federal Savings and Loan Corporation's Resolution Fund and the Federal Hospital Insurance Trust Fund. Most of the public debt is in notes and bills with only about one trillion in bonds and inflation protected bonds.