United States - Government current expenditures: Federal: National defense was 727.45000 Bil. of $ in January of 2022, according to the United States Federal Reserve. Historically, United States - Government current expenditures: Federal: National defense reached a record high of 727.45000 in January of 2022 and a record low of 44.04100 in January of 1959. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Government current expenditures: Federal: National defense - last updated from the United States Federal Reserve on April of 2024.