United States - Population Ages 0 to 14 for St. Lucia was 17.95270 % of Total in January of 2020, according to the United States Federal Reserve. Historically, United States - Population Ages 0 to 14 for St. Lucia reached a record high of 50.14085 in January of 1970 and a record low of 17.95270 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 St. Lucia - last updated from the United States Federal Reserve on March of 2024.