Population Of The World 2025 Adults 2025. As of 2025, population size has peaked in 63 countries and areas, including china, germany, japan and the russian federation, and the total population of this group is. Historical national accounts estimates of the share of the world's population living on less than $5 per day, by region how do un population projections compare to the previous revision?.

Excel files with annual estimates and standard projection scenarios (see definition of projection scenarios for further details). The un estimates the july 1, 2025 population at 345,427,000.