One-quarter of all adult Americans under age 30 (25%) are not affiliated with any particular religion, which is more than three times the number of unaffiliated adults who are age 70 and older (8%). Overall, younger Americans tend to be considerably less Protestant and far less religiously affiliated than older Americans. The younger group is also more likely than the adult population as a whole to be atheist or agnostic (7% vs. 4%). However, more than a third (35%) of young adults who have no particular religious affiliation are in the “religious unaffiliated” category, that is, they say that religion is somewhat important or very important in their lives. Read More

Russell Heimlich  is a former web developer at Pew Research Center.