United States - Population Growth for St. Lucia was 0.28151 % Chg. at Annual Rate in January of 2023, according to the United States Federal Reserve. Historically, United States - Population Growth for St. Lucia reached a record high of 1.88931 in January of 1988 and a record low of 0.14498 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population Growth for St. Lucia - last updated from the United States Federal Reserve on May of 2026.