Though the percentage of religiously “nones” in America has risen, the global share of religiously unaffiliated people is expected to fall in coming decades.
As the percentage of U.S. adults who do not identify with a religious group grows, we asked these people to explain, in their own words, why they left.
The U.S. religious landscape is already in the midst of some dramatic changes when it comes to the growth or decline of people with certain religious identities. And while it is impossible to predict exactly how that landscape will shift in the future, some key demographic factors — particularly age — can provide a clue as to how things might unfold in the coming decades.