Yes and no. if you look at the date though the places with the most "abundance" or wealth is where the fertility rate is collapsing. It is largely down to that wealth that people are having less children.
"Good" and "Bad" are down to perspective and is very subjective. Especially when talking about this issue.
There is a strong correlation also with educational levels and birth rates. the more educated the person, means both they are more successful monetarily, and they are less likely to have children, or have only a single child which is less than replacement (every child has 2 parents)
So is large numbers of uneducated people having children that statically will also be uneducated as well a "good" thing for humanity? I dont know have you watched the movie Idiocracy?
Natrually then most people will say "well we just need to educate that generation, get those nations / people educated" , this however does not solve the problem of birth rates because as you educate more and more people, as you bring more and more people to success they will also stop having children. If you reach the utopia where everyone in society has equal levels of education, then it is very likely you will see population crash.
Now technology could solve for that, extended life / extended fertility span for women for example would certainly inverse the population issue.
