Highest Population In The World 2025 By Country. Population estimates produced by the u.s. 235 rows not surprisingly, the largest countries in the world in terms of population are china and india, with both countries now having populations of well over a billion.

China is currently the most populous country in the world, with a population estimated at more than 1.42 billion as of september 2022. Census bureau for the united states, states, metropolitan and micropolitan statistical areas, counties, cities, towns, as well as for.