London]</ref> Kaufmann is author of the book ''Shall the Religious Inherit the Earth?''.<ref>[http://books.google.com/books/about/Shall_the_Religious_Inherit_the_Earth.html?id=nXVylycU2gQC Shall the religious inherit the earth by David Kaufmann]</ref><ref>[http://www.sneps.net/RD/uploads/1-Shall%20the%20Religious%20Inherit%20the%20Earth.pdf Early paper - Shall the Religious Inherit the Earth?: Demography and Politics in the Twenty-First Century by Eric Kaufmann, Belfer Center, Harvard University/Birkbeck College, University of London]</ref> In the [[Western World]] due to immigration and the higher birth rates of religious people, Kaufman writes: "Committed religious populations are growing in the West, and will reverse the march of secularism before 2050."<ref>[http://www.sneps.net/RD/uploads/1-Shall%20the%20Religious%20Inherit%20the%20Earth.pdf Early paper - Shall the Religious Inherit the Earth?: Demography and Politics in the Twenty-First Century by Eric Kaufmann, Belfer Center, Harvard University/Birkbeck College, University of London]</ref>
Michael Blume, a researcher at the University of Jena in Germany, wrote "Most societies or communities that have espoused atheistic beliefs have not survived more than a century."<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 Atheist: A dying breed as nature favours faithful]</ref> 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 Atheist: A dying breed as nature favours faithful]</ref> See also: [[Atheism and sexuality]]
=== Lack of sound leadership ===