World Population 2024 In Billion. The world’s population reached 8.2 billion people in 2024. Methodology of the united nations population estimates and projections (un desa/pop/2024/dc/no.
The 2024 revision also presents population projections to the year 2100 that reflect a range of plausible outcomes at the global, regional and national levels. 1 as recently as 12,000 years ago, there were only 4 million people worldwide.