United States - Federal Outlays: Interest as Percent of Gross Domestic Product was 2.40961 % of GDP in January of 2023, according to the United States Federal Reserve. Historically, United States - Federal Outlays: Interest as Percent of Gross Domestic Product reached a record high of 3.15758 in January of 1991 and a record low of 0.63392 in January of 1942. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Federal Outlays: Interest as Percent of Gross Domestic Product - last updated from the United States Federal Reserve on May of 2024.