United States - Population Ages 15 to 64 for World was 65.19727 % of Total in January of 2020, according to the United States Federal Reserve. Historically, United States - Population Ages 15 to 64 for World reached a record high of 65.58347 in January of 2014 and a record low of 56.87115 in January of 1967. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population Ages 15 to 64 for World - last updated from the United States Federal Reserve on March of 2024.