So what to you is the alternative better interpretation; that they continue in destitute poverty?
The Great Demographic Reversal Ageing Societies, Waning Inequality, and an Inflation Revival - https://link.springer.com/book/10.1007/978-3-030-42657-6 | https://doi.org/10.1007/978-3-030-42657-6
https://www.suerf.org/wp-content/uploads/2023/12/f_fa99ccdbe...
https://www.mckinsey.com/mgi/our-research/dependency-and-dep...
https://www.cato.org/cato-journal/spring/summer-2018/demogra...
https://www.bis.org/events/conf160624/goodhart_presentation....