http://www.huffingtonpost.com/2014/02/26/millennials-gay-unaffiliated-church-religion_n_4856094.html?ref=topbar
Huffington Post; Jaweed Kaleem
[R]ecent surveys have revealed that one-in-five adults in America claim no religious affiliation, the number reaches around one-in-three for Millennials under 34.
In a survey released Wednesday, nearly one-third of Millennials who left the faith they grow up with told Public Religion Research Institute that it was "negative teachings" or "negative treatment" related to gays and lesbians that played an significant role in them leaving organized religion.
A majority of Americans, 58 percent, also said that religious groups are "alienating young adults by being too judgmental on gay and lesbian issues." Among Millennials, that percentage jumped to 70.