In a nutshell:
- World Population will peak around 11 billion around 2100 and is expected to fall later on.
- Africa will be huge. In 2100 this will be the list of ten most populous countries in the world (in millions of people): 1. India (1,450) 2. China (1,065) 3. Nigeria (733) 4. U.S. (434) 5. Pakistan (403) 6. D.R. Congo (362) 7. Indonesia (337) 8. Ethiopia (294) 9. Tanzania (286) 10. Egypt (225)
- India is projected to be the most populous country by 2027. Nigeria will surpass U.S. as the third-largest country in 2047
Source: Pew Research Center
