What Will Happen When World Population Exceeds 9 Billion In 2024. That is three years longer than it took to move from 7 billion to 8 billion. Study predicts there will be a world population decrease in 2024.
From there, it’s set to plateau for a couple of. The study, commissioned by the nonprofit organization the club of rome, predicts that if current trends continue, the world’s population, which is currently 7.96.