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== Atheist marriages and childless couples ==

== Atheist marriages and childless couples ==

Michael Blume, a researcher at the University of Jena in Germany, wrote concerning the sub-replacement fertility rates of most atheist populations: "Most societies or communities that have espoused atheistic beliefs have not survived more than a century." Blume also indicated concerning concerning his research on this matter: "What I found was the complete lack of a single case of a secular population, community or movement that would just manage to retain replacement level."<ref>[http://www.scilogs.eu/en/blog/biology-of-religion/2011-01-06/atheists-a-dying-breed-as-nature-favours-faithful-sunday-times-jan-02-2011-jonathan-leake-full-draft-version Atheists a dying breed as nature 'favours faithful'] - Sunday Times Jan 02 2011 - Jonathan Leake - Full Draft Version from Michael Blume, 06. January 2011, 11:11</ref>

Michael Blume, a researcher at the University of Jena in Germany, wrote concerning the sub-replacement fertility rates of most atheist populations: "Most societies or communities that have espoused atheistic beliefs have not survived more than a century." Blume also indicated concerning concerning his research on this matter: "What I found was the complete lack of a single case of a secular population, community or movement that would just manage to retain replacement level."<ref>[http://www.scilogs.eu/en/blog/biology-of-religion/2011-01-06/atheists-a-dying-breed-as-nature-favours-faithful-sunday-times-jan-02-2011-jonathan-leake-full-draft-version Atheists a dying breed as nature 'favours faithful'] - Sunday Times Jan 02 2011 - Jonathan Leake - Full Draft Version from Michael Blume, 06. January 2011, 11:11</ref>