Estimated World Population 2025. More importantly, the per capita. The number of smart devices is projected to reach 75.44 billion while the world population is estimated to reach 7.99 billion by the end of 2025 [22,23].

This interactive chart shows estimates and probabilistic projections of total world population as published by the united nations in their 2022 revision of the world population prospects. 25 rows the world population prospects publication provides united nations population estimates for all countries in the world for each year between 1950 and 2020 and projections.