The Pew Research Center released some interesting survey results about people age 18-29 and their religious beliefs and practices. Compared with their elders today, young people are much less likely to affiliate with any religious tradition or to identify themselves as part of a Christian denomination. Yet in other ways, Millennials remain fairly traditional in their religious beliefs and practices.
See the full report at http://pewforum.org/Age/Religion-Among-the-Millennials.aspx.