In 2009, the book ''A sceptics guide to atheism'' indicated: "A worldwide poll taken in 1991
In 2009, the book ''A sceptics guide to atheism'' indicated: "A worldwide poll taken in 1991
put the global figure for atheists at just 4.4% of the population. By 2006 it was estimated that only 2% of the world population were atheists."<ref>[http://www.facingthechallenge.org/scepticsguide.pdf ''A sceptics guide to atheism'', page 4]</ref>
put the global figure for atheists at just 4.4% of the population. By 2006 it was estimated that only 2% of the world population were atheists."<ref>[http://www.facingthechallenge.org/scepticsguide.pdf ''A sceptics guide to atheism'', page 4]</ref>
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[[File:Hong Kong Christians at Gateway Camp.jpg|thumbnail|left|250px|[[Hong Kong]] Christians at Gateway Camp. In 2005, there were four times as many non-Western World Christians as there were [[Western World]] Christians.<ref>[http://www.wnd.com/?pageId=30077 Is Christianity taking over the planet?]</ref> See: [[Global Christianity]] ]]
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[[File:Watoto Childrens Choir picture.jpg|thumbnail|left|250px|In 2005, there were four times as many non-Western World Christians as there were [[Western World]] Christians.<ref>[http://www.wnd.com/?pageId=30077 Is Christianity taking over the planet?]</ref> See: [[Global Christianity]] ]]
On December 23, 2012, Professor [[Eric Kaufmann]] who teaches at Birbeck College, University of London wrote:
On December 23, 2012, Professor [[Eric Kaufmann]] who teaches at Birbeck College, University of London wrote:
{{cquote|I argue that 97% of the world's population growth is taking place in the developing world, where 95% of people are religious.
{{cquote|I argue that 97% of the world's population growth is taking place in the developing world, where 95% of people are religious.