United States - Monetary Base; Currency in Circulation was 2442.40000 Mil. of $ in March of 2026, according to the United States Federal Reserve. Historically, United States - Monetary Base; Currency in Circulation reached a record high of 2442.40000 in March of 2026 and a record low of 31.20000 in February of 1959. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Monetary Base; Currency in Circulation - last updated from the United States Federal Reserve on May of 2026.