Earlier quoted context omitted.
Having kids is a far more selfish act than not. Our species and our planet would be way, way better off if about 9/10 of us elected not to reproduce for a few generations.
You are presumably delighted to know that Europe is in fact dying off with only France having a fertility rate of 2.0 (2014) which is not enough to sustain the population. One wonders who's going to be paying those taxes to fund the pensions of the elderly and the other massive liabilities of the European welfare states. At < 2 replacement rate, the populations of Portugal, Spain, Greece, Cyprus, Italy, Hungary, Slov…
Can't pay for it. It's all gonna collapse =)