In a nutshell:

  1. World Population will peak around 11 billion around 2100 and is expected to fall later on.
  2. 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)
  3. 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

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/0e268394-ec17-490a-8192-a802e4856e3e/C1EA5135-33A6-44E0-A34A-A30766FF9A8D.jpeg

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/9fbe856e-c4a9-42cb-9a94-eb5527c03b80/F6D9623A-DDF9-49F6-BA94-99AC232C7871.jpeg