The more afluent a country, the lower the birthrate regardless of how it comes about.
BTW... wasn't the SS system supposed to be "temporary"?
Not that I am aware of. It was supposed to be a safety net, not the main source of retirement income.
I could have sworn I read somewhere that this was a temporary program to help overcome the Depression. Oh well. I've read so much lately... my poor brain is on overload. *chuckle*