Contrary to what we might expect, the study found that the link between economic growth, as measured by GDP per capita, and life satisfaction weakened as countries became more affluent. In other words, once a certain economic threshold is reached, additional wealth does not significantly boost happiness.
“human beings need three basic things in order to be content: they need to feel competent at what they do; they need to feel authentic in their lives; and they need to feel connected to others. These values are considered "intrinsic" to human happiness and far outweigh "extrinsic" values such as beauty, money and status.”