World Population 2024 Ranking World. Finland is ranked as the happiest country in the world in 2024, with denmark and iceland following closely behind. The world population passed eight billion people in november 2022, a figure that is expected to reach nine billion within 2040.

The 2024 world population data sheet provides the latest population, health, and environment indicators for more than 200 countries and territories, each carefully researched by prb’s expert team of demographers and analysts. List of countries/territories by population based on the estimates and projections by united nations.