Population, Total for Low and Middle Income Countries was 6518253973.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Population, Total for Low and Middle Income Countries reached a record high of 6518253973.00000 in January of 2020 and a record low of 2264230620.00000 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for Population, Total for Low and Middle Income Countries - last updated from the United States Federal Reserve on March of 2024.