American incomes - particularly in tech - sound so high for the rest of the world, but Americans have to account for healthcare expenses, pension contributions, "emergency funds" when you are out sick for longer time than the pittances most companies offer as "PTO", the insane housing costs, car payment and taxes on them.

Meanwhile, the rest of the developed Western world has the government provide healthcare, pension systems, actual sick time that also accounts for longer periods, public transport so you can get away without a car...