A new study from the Pew Forum found about one-in-six people around the world have no religious affiliation. That's about 1.1 billion people.
MORE: http://www.wbtv.com/story/20419525/unaffiliated-becomes-third-largest-religious-group-worldwide
See also...
Would You Know Atheist Discrimination If You Saw It?
http://www.psychologytoday.com/blog/our-humanity-naturally/201212/would-you-know-atheist-discrimination-if-you-saw-it
