(New York Times) – New data collected from more than 200,000 people across the world shows that young people aren’t as happy as they used to be.

For decades, research showed that the way people experienced happiness across their lifetimes looked like a U-shaped curve. Happiness tended to be high when they were young, then dipped in midlife, only to rise again as they grew old.

But recent surveys suggest that young adults aren’t as happy as they used to be, and that U-shaped curve is starting to flatten.

This pattern has shown up yet again in a new study, one of a collection of papers published on Wednesday in the journal Nature Mental Health. They are the first publications based on the inaugural wave of data from the Global Flourishing Study, a collaboration between researchers at Harvard and Baylor University. (Read More)