United States - Population Ages 0 to 14 for OECD Members was 17.76644 % of Total in January of 2020, according to the United States Federal Reserve. Historically, United States - Population Ages 0 to 14 for OECD Members reached a record high of 30.15935 in January of 1961 and a record low of 17.76644 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population Ages 0 to 14 for OECD Members - last updated from the United States Federal Reserve on April of 2024.