Earlier quoted context omitted.
Especially for something like Social Security safety nets, which relies on a larger younger population paying into it. I'm not sure if Japan has an equivalent but I think they do.
This is a great argument for individual retirement accounts rather than using the young to pay for the elderly. In the United States, if everyone's social security tax were put in an index fund, then everyone would be millionaires upon retirement. There are solutions other than pleading with people to have more kids.
I don't know if the same would be true for most people, though (I make significantly more than the average household income -- although probably less than a lot of people here because I'm not making Silicon Valley money -- and I don't have children).
It's an interesting idea worth exploring, but I'm not sure if just switching social security money to retirement accounts would be sufficient.
Administration and making sure people don't dig into them before retirement would potentially be very expensive too (although to be fair, I'm sure Social Security administration costs are very high also).
Are you aware of any studies that analyze such a solution? I imagine there must be something out there.