Population Of World 2024 By Country. China is currently the most populous country in the world, with a population estimated at more than 1.42 billion as of september 2022. • in 48 countries and areas, representing 10 per cent of the world’s population in 2024, population size is projected to peak between 2025 and 2054.

This year’s edition brings this peak forward slightly to 2084, with. Population by country, available from 10,000 bce to 2100, based on data and estimates from different sources.