What Was The World Population In 2024 In Billion. Summary of results, prepared by the population division of the united nations department of economic and social. In 1800, there were one billion people.
But after a period of very fast population growth, demographers expect the world population to peak by the end. The report forecasts that the world’s population will continue to swell over the next several decades — growing from 8.2 billion people in 2024 to a peak of nearly 10.3 billion.