Fayre Elbertina

World Population In 2024 In Billion. As of 2024, 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 projected to. Population growth estimates from the current year up to 2100 for the entire population of the world.

In 1800, there were one billion people. Not surprisingly, the largest countries in the world in terms of population are china and india, with both countries now having populations of well over a billion.