Money Buys Happiness, But Only Up To $75,000, Study Finds

Research shows money buys happiness up to $75,000; minimal gains beyond $100,000. Millionaires rate happiness 8/10, not much growth with 10x net worth increase.

Scientifically, neurotransmitters like dopamine, serotonin, norepinephrine linked to happiness. Lack causes depression. Anti-depressants artificially increase these.

For world's happiest countries, ranked based on alcoholism, adultery, suicide rates, and wealth. Low scores are happiest. Excluded poor, autocratic countries.

Nordic countries like Finland, Sweden, Norway rank high in happiness polls but also high alcoholism rates.

Top 5 happiest are Switzerland, France, Canada, U.S., and Japan based on our criteria. Low alcoholism, adultery, suicide rates.