Currently our world wide birthrate is trending towards an average of 1.9-2.1 children per woman, which is basically just enough to maintain a stable population. The main reason we exploded in population in the last couple centuries is that our kids stopped dying so frequently, so as people notice that they no longer need to have 15 kids so that 3 of them make it to puberty, they stop having huge families.
Currently our world wide birthrate is trending towards an average of 1.9-2.1 children per woman, which is basically just enough to maintain a stable population. The main reason we exploded in population in the last couple centuries is that our kids stopped dying so frequently, so as people notice that they no longer need to have 15 kids so that 3 of them make it to puberty, they stop having huge families.