Irreligion in the United States: by generation (2012)

Demographics of the religiously unaffiliated in 2012 (as fraction of the named groups).

Reference 1: % Unaffiliated.

Reference 2: Younger Millennials, Older Millennials, GenXers, Boomers, Silent and Greatest.

Source: http://en.wikipedia.org/wiki/Irreligion_in_the_United_States