Population Growth for Low and Middle Income Countries was 0.98006 % Chg. at Annual Rate in January of 2023, according to the United States Federal Reserve. Historically, Population Growth for Low and Middle Income Countries reached a record high of 2.43196 in January of 1966 and a record low of 0.96672 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Growth for Low and Middle Income Countries - last updated from the United States Federal Reserve on September of 2025.