Demographics of the religiously unaffiliated in 2012 (as fraction of the named groups).
Reference 1: % Unaffiliated[38].
Reference 2: White, Hispanic and Black.
Source: http://en.wikipedia.org/wiki/Irreligion_in_the_United_States
Reference 2: White, Hispanic and Black.
Source: http://en.wikipedia.org/wiki/Irreligion_in_the_United_States
