A survey published in the 2005 ''[[Encyclopedia Britannica]]'' stated that 2.3% of the world's population consists of individuals who profess "[[atheism]], skepticism, disbelief, or irreligion, including the militantly antireligious."<ref>http://search.eb.com/eb/article-9432620</ref> | A survey published in the 2005 ''[[Encyclopedia Britannica]]'' stated that 2.3% of the world's population consists of individuals who profess "[[atheism]], skepticism, disbelief, or irreligion, including the militantly antireligious."<ref>http://search.eb.com/eb/article-9432620</ref> |