• A new survey of more than 3,400 U.S. Facebook users finds that 44 percent of users ages 18 to 29 have deleted the app from their phones in the past year.
• Overall, 26 percent have deleted the app, while 42 percent have taken a break of several weeks or more.

Source: Facebook exodus: 44 percent of American users ages 18-29 have deleted app

Many have likely found being continually outraged by content targeting their emotions is not a comfortable place to be and are voluntarily stepping away from the social environment. This is suggested by users migrating to Instagram (also owned by FB) and similar platforms which tend to be far less political.