United States - Population Growth for St. Lucia was 0.45521 % Chg. at Annual Rate in January of 2020, 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 0.45080 in January of 2014. 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 March of 2024.