The birthrate is dropping because:
1. immunisation and antibiotics etc mean 99% of your kids grow to give you grandkids and look after you in old age or at least pretend not to have heard that story before.
2. Education of and rights enforcement for women meaning they can decide how many kids to have.
3. Contraception.
4 Sprogs are expensive to raise and of course if you have more than two and you are made unemployed you only get funding for 2.
Biting the hand that feeds IT
