[Tade0]

It's been going on for three generations now with no signs of stopping, so we're already 10%+ there.

Not saying the trend will 100% continue, but looking how hard is life for a young person in an ageing society it appears to be self-perpetuating.

You'd need something to put all those old people holding all the votes and wealth out of the picture.

[0] Global population growth rate peaked in 1963 and is now at a level last seen before WW2.