Real GDP per capita covers this. Inflation encompasses cost of living. https://fred.stlouisfed.org/series/A939RX0Q048SBEA Missing a breakdown by quartile, but it's the right metric
Simplifying things to the extreme, take 100 people where half of them earn $1 and are unhappy and half $2 and are happy. Give one person a $150 raise-- you just doubled the GDP but at best increased happiness by 1%.
It is no secret that a small percent of people have been getting very rich [1].
[1]: https://money.cnn.com/2011/02/16/news/economy/middle_class/i...