''See also:'' [[Desecularization]]
[[File: Blue Marble.jpg|right|200px|thumbnail|[[Atheism]] is in [[Global atheism|decline worldwide]], with the number of atheists falling from 4.5% of the world’s population in 1970 to 2.0% in 2010 and projected to drop to 1.8% by 2020.<ref>http://www.cnsnews.com/news/article/global-study-atheists-decline-only-18-world-population-2020 Global Study: Atheists in Decline, Only 1.8% of World Population by 2020]</ref>]]
Atheists as a percentage of the world's population have declined since 1970 and [[global atheism]] is expected to face long term decline.<ref>Multiple references:
*Kumar, Anugrah (July 20, 2013). [http://www.christianpost.com/news/study-world-is-turning-more-religious-atheism-declining-100518/ "Study: world is turning more religious; atheism declining"]. The Christian Post.