I am quite worried about the world we are leaving them and when they are about 80 in 2080 the world is predicted to be hell. I would not be surprised if they decided not to have children themselves.
I read that in France the number of vasectomies among 25-ish is exploding. This may not be a good indication, though, because vasectomy was not popular in France in the first place (and still requires z 4 month cool down time, by law)