After $75000 (in 2010), increased wages do not increase life satisfaction.
In 2010 the authors of Thinking Fast and Slow, Daniel Kahneman and Angus Deaton performed a study in which they found that there is a positive correlation between income and subjective ratings of overall life satisfaction, but that correlation only exists between 75k/year (2010 dollars). After $75000, increases in salary did not increase reported measures of life satisfaction.
Today that’s:
In Your Money or Your Life this is referred to as the Money/Fullfillment Curve, and drawn out like an inverted U curve.