Working Age Population: Aged 15-64: All for the United States was 212352300.00000 Persons in September of 2025, according to the United States Federal Reserve. Historically, Working Age Population: Aged 15-64: All for the United States reached a record high of 212352300.00000 in September of 2025 and a record low of 135206700.00000 in January of 1977. Trading Economics provides the current actual value, an historical data chart and related indicators for Working Age Population: Aged 15-64: All for the United States - last updated from the United States Federal Reserve on March of 2026.