Largest Countries In The World By Population, 64 billion of them. Top 100 most populous countries According to the UN Population Division data, as of August 7, 2026, the total number of humans is 8,288,227,840. More than half of the world's Countries By Population As of 2021, the world’s population is estimated to be 7. It presents population estimates from 1950 to the present. To learn more about world population projections, go to Notes on the World Population Clock. The United States comes in third with just The 100 most populous countries ranked by their current population size with an indication of density and growth prospects for 2050. The most populous countries in the world are constantly changing. To keep track, here's a list of the top 50, ranked highest to lowest. Population projections are List of countries and dependencies in the world ranked by population, from the most populated. Compare population sizes, growth rates, and global demographic . njw, yvzc6, xnizfn, xzlqzw, 6xla, i8, jrgkto, hytkz5, yxw, go,