The Key to Happiness? Source: Public domain photo, CC01 “Older people are happier people.” This statement, which summarizes the results of numerous surveys and polls of people from 149 countries, was astonishing to me when I first read it. Possibly because of my own internalized stereotypes about aging, I found it hard to believe that older people were happier than younger or middle-aged people. But, according to multiple studies, it was true. In fact, it was true of me.