United States - Population Ages 15 to 64 for OECD Members was 64.83603 % of Total in January of 2020, according to the United States Federal Reserve. Historically, United States - Population Ages 15 to 64 for OECD Members reached a record high of 66.62483 in January of 2008 and a record low of 61.44371 in January of 1962. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population Ages 15 to 64 for OECD Members - last updated from the United States Federal Reserve on April of 2024.