United States - Adolescent Fertility Rate for Least Developed Countries was 91.49109 Births per 1,000 Women Ages 15-19 in January of 2019, according to the United States Federal Reserve. Historically, United States - Adolescent Fertility Rate for Least Developed Countries reached a record high of 156.71538 in January of 1963 and a record low of 91.49109 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Adolescent Fertility Rate for Least Developed Countries - last updated from the United States Federal Reserve on March of 2024.