World Population 2024 Ranking

World Population 2024 Ranking. Finland is ranked as the happiest country in the world in 2024, with denmark and iceland following closely behind. United nations projections are also included through the year 2100.

The estimates are based on all available sources of data on population size and levels of fertility, mortality and international migration for 237 countries or areas. Only these two nations have crossed the one billion mark, rest of countries are below 500 mn mark.