“According to a 2023 study published in Proceedings of the National Academy of Sciences, wealthier people have more access to other sources of happiness, which can lead to less reliance on an internal sense of meaning to achieve happiness. However, research shows that happiness is not achieved through material wealth alone. Other factors that contribute to happiness include: social relations, freedom, generosity, and optimism.”

https://dobetter.esade.edu/en/how-wealth-affects-relationship-meaning-happiness