Tokyo Population 2024 Scenario Report. In its 2022 publication, the un estimated that, in its medium scenario, the global population would peak in 2086 at around 10.4 billion people. The national institute of population and social security research forecasts a drop to under 50 million, a more than 60 percent.
This is the optimistic scenario. Published by statista research department, jan 10, 2024.