Percentage of GDP; Annually; 1962–2022, 2023–2053 projected
Area chart of U.S. government net interest cost as a percentage of GDP. Between 1962 and 2022, the cost was around 1.5% of GDP except for a bump between 1980 and 2000 when cost rose to around 3%. From 2023 onwards, the cost is projected to increase steadily to 6.7% by 2053.