Most Population Country In The World 2025. As of 1 january 2025, the population of the world was estimated to be 8,147,701,969. Population by country, available from 10,000 bce to 2023, based on data and estimates from different sources.
India surpassed china to become worlds most populous country in mid 2025 with estimated population of 1.428 billion. The united states comes in third with just under 325 million residents.
