Japan's old age care system works by the young looking after the old, I think. Every time you look after an old person, you get care tokens that you can use in your old age to get looked after.
I think. This is a hazy memory of some editorial I read.
Sovereignty, is that a fags brand? Lots of gold on the box, but it's still bad for you ;)
Japan managed with 10 years of 0 interest, but that's completely differently governed to put it mildly.