15B+ at 2100 is not the main-stream prediction anyway: https://en.wikipedia.org/wiki/Projections_of_population_growth https://en.wikipedia.org/wiki/Projections_

15B+ at 2100 is not the main-stream prediction anyway: https://en.wikipedia.org/wiki/Projections_of_population_growth https://en.wikipedia.org/wiki/Projections_of_population_grow...