I think it’s important to point out the nuances here. You simply cannot be happy or psychologically/physically fulfilled if you can’t afford to pay for your basic needs: food, shelter and health. Some estimates in the US suggest $70,000 per annum is the threshold for an individual, but beyond that, more money won’t make you any happier. It’s still very difficult for most to earn $70K per annum, and most aren’t able to start ascending Maslow’s hierarchy in any meaningful way. Only 9.2% of Americans earn over $100K per annum.