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.
At least three-quarters of adults under 30 talked to a congregation member or friend during their search, compared with just over half of those 65 or older.
Americans are wary of the prospect of implanting a computer chip in their brains to improve their mental abilities or adding synthetic blood to their veins to make them stronger and faster. And this is particularly true of those who are highly religious.
Government restrictions on religion and social hostilities related to religion decreased somewhat between 2013 and 2014, the second consecutive year of such declines.