One-in-Five U.S. Adults Were Raised in Interfaith Homes: One-in-five U.S. adults were raised with a mixed religious background, according to a new Pew study. This includes about one-in-ten who say they were raised by two people, both of whom were religiously affiliated but with different religions. An additional 12% say they were raised by one person who was religiously affiliated and another person who was religiously unaffiliated.
