supported by government, the birth-rate has dropped
below replacement level in every developed country
except Israel. But the fall in birth-rate started more
than a century ago, long before the legalization of
abortion or even the invention of the Pill. The rise of
abortion is best seen as a result of the fact that we do
not value children as much as we used to...."
http://www.americanthinker.com/articles/2015/10/abortion_and_the_birth_rate.html