This is completely self-evident and not even controversial, but here you go: https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/World_happiness.png/1200

This is completely self-evident and not even controversial, but here you go: https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/World_happiness.png/1200px-World_happiness.png https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Wo... Agrarian populations spend all their time doing hard labor to earn basic necessities like food, water and shelter. That sucks and they're less happy. People in western nations live longer and move less. The correlation is pretty obvious.