Furthermore, in many secular countries, due to the sub-replacement fertility rate of atheists/agnostics/non-religious, there is a significant amount of immigration involving religious conservatives which is a source of consternation to many atheists (see: [[Global atheism]] and [[Secular Europe]]). | Furthermore, in many secular countries, due to the sub-replacement fertility rate of atheists/agnostics/non-religious, there is a significant amount of immigration involving religious conservatives which is a source of consternation to many atheists (see: [[Global atheism]] and [[Secular Europe]]). |