Fun fact: some people who study the matter are convinced the global human population will peak in about 30 years, then start to decline â largely because as people move into urban areas and have access to more education (including on birth control and reproductive health), they're deciding to have fewer children than their rural ancestors.
(Authors use not-trans-inclusive language regarding reproduction)
https://www.wired.com/story/the-world-might-actually-run-out-of-people/