America's "Nones" -- the nonreligious -- are at an all-time high, now comprising nearly one in five Americans (19%), according to a new study by the Pew Center for the People and the Press. The 19% count is based on aggregated surveys of 19,377 people conducted by the Pew Research Center throughout 2011 and reported by USA Today.
MORE: http://ffrf.org/news/releases/nones-climb-to-19/
See also...
Survey finds 19% without religious affiliation
http://www.usatoday.com/news/religion/story/2012-07-19/no-religion-affiliation/56344976/1