As of July 2021, United Nations estimates a current world population of 7.9 Billion. The question is, does the world need the more babies?
As fertility rate falls from across the world, more evidence shows that the world does not need overpopulation, and the declining birth rates is good for societies.
While cities in Italy and China are already shutting down their maternity wards due to population stagnation and a fertility bust, and population aging were said to have increased dramatically, demographer Ron Lee of the University of California, Berkeley showed in a study that people's living standards are in its highest when fertility rate declines, just below replacement level (around 2.1 births per woman), to at least 1.6.