The 2021 World Population Data Sheet provides the latest population, health, and environment indicators for more than 200 countries and territories, each carefully researched by PRB’s expert team of demographers and analysts. Published annually since 1962, PRB’s World Population Data Sheet provides demographic indicators for more than 200 countries and territories, including birth and death rates, life expectancy and other critical population indicators. The 2021 Data Sheet offers an in-depth look at fertility patterns and trends and their potential to impact our world.