Active Population: Aged 15-74: All for the United States was 165455513.14374 Persons in December of 2023, according to the United States Federal Reserve. Historically, Active Population: Aged 15-74: All for the United States reached a record high of 165967660.54603 in September of 2023 and a record low of 107601375.93076 in January of 1981. Trading Economics provides the current actual value, an historical data chart and related indicators for Active Population: Aged 15-74: All for the United States - last updated from the United States Federal Reserve on March of 2024.