<a href="http:&#x2F;&#x2F;www.pewforum.org&#x2F;2013&#x2F;04&#x2F;30&#x2F;the-worlds-muslims-religion-politics-society-overview&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.pewforum.org&#x2F;2013&#x2F;04&#x2F;30&#x2F;the-worlds-muslims-religi...</a><p>I am pretty sure you need to read up. I grew up in a muslim ghetto. My parents were both born in muslim countries.<p>As a math guy I am sure you can figure out that any percentage of 1.6 billion sure is a large chunk of people.