World Population In 2025 By Country. The total population of the world is estimated to be 7.9 billion in 2025 with a growth rate of of approximatly 1.05% expected for the year. China remains the most populous country, although it faces a declining birth rate and an aging population.

It is based on the 2024 edition of world population prospects by the united nations, medium. This page lists the projected population of all the countries in the world as of january 1, 2025.