United States - Government current expenditures: Federal: National defense was 784.85700 Bil. of $ in January of 2023, according to the United States Federal Reserve. Historically, United States - Government current expenditures: Federal: National defense reached a record high of 784.85700 in January of 2023 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 September of 2025.