The things that stand out to me about Japan: * 3rd largest economy. * 11th largest population (top 10 until recently, they basically tie with Mexico). * If you look at a table of countries by area, they are there. Even in the top half, thanks to places like Tuvalu. I think there is a very strong on-the-face-of-it argument that they just have too many people and not enough for them to do, economically speaking. If the…
That's not how economy works. There is no such thing in general as "too many people for the economy". "The economy" is the sum of goods and services produced and consumed. Everyone who lives consumes, and could easily consume more. The economy is generally limited by the ability to produce, and is generally limited by the number of working-age people to do the producing. Unemployment can be result of production being…
Demand and supply. Oversupply in labor results directly in diminishing incomes and the ability of employers to be extremely picky about who to hire (e.g. like you said nobody over 30).