A new study from San Diego State finds that Americans under 30 report being happier than those over 30. This is a big shift from more than four decades of past research that found people grow steadily happier as they age, until their 60s and 70s. Forum talks with the study’s author about what explains the recent surge in happiness among young people and the decline for adults over 30.
Social Psychological and Personality Science-2015-Twenge-1948550615602933