Studies on the demographics of atheism have concluded that self-identified atheists comprise anywhere from 2% to 13% of the world's population, whereas people without a religion comprise anywhere from 10% to 22% of the world's population. According to the Encyclopedia Britannica, 2% of the world's population self-identifies as atheist and the average annual global change for atheism from 2000 to 2010 was −0.17%. Several polls have been conducted by Gallup International: in their 2012 poll of 57 countries, 13% of respondents were "convinced atheists" and in their 2015 poll of 65 countries 11% were "convinced atheists". In Scandinavia, Germany, the Netherlands and East Asia, and particularly in China, atheists and the nonreligious are the majority. Of the global atheist and nonreligious popu