Population Growth for Low and Middle Income Countries was 1.15134 % Chg. at Annual Rate in January of 2020, 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 1.15134 in January of 2020. 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 March of 2024.