Working Age Population: Aged 25-54: All for the United States was 128471600.00000 Persons in March of 2024, according to the United States Federal Reserve. Historically, Working Age Population: Aged 25-54: All for the United States reached a record high of 128471600.00000 in March of 2024 and a record low of 78814988.23715 in January of 1977. Trading Economics provides the current actual value, an historical data chart and related indicators for Working Age Population: Aged 25-54: All for the United States - last updated from the United States Federal Reserve on April of 2024.