>

Yes and no. Most developed nations are going through a demographic shift. More old than young. And because society is basically a pyramid scheme, you need more people at the bottom than at the top to keep the pyramid upright.
All eyes will be on countries like South Korea to see what tools and methods might be able to overcome this age gap in populations. >

Automation will play a major role, I imagine. >

Working well into your 70s/80s will play a larger one >

It's almost like let every government on the planet being run by politicians who put companies before humans and having not enough tax money for pensions was a bad idea which fucked every Generation after Boomer. 
Who could have guessed that? /s