  the world factbook gives the population as 7,095,217,980 (july 2013 est.) and the distribution of religions as christian 33.39% (of which roman catholic 16.85%, protestant 6.15%, orthodox 3.96%, anglican 1.26%), muslim 22.74%, hindu 13.8%, buddhist 6.77%, sikh 0.35%, jewish 0.22%, baha'i 0.11%, other religions 10.95%, non-religious 9.66%, atheists 2.01% (2010 est.).the cia's world factbook ==adherent estimates==  adherents.com says "sizes shown are approximate estimates, and are here mainly for the purpose of ordering the groups, not providing a definitive number". {| class="wikitable sortable" |- ! religion ! adherents |- || christianity |align="right"|  |- | islam |align="right"|  |- | secular/nonreligious/agnostic/atheist |align="right"| â¤  |- | [[
Lists_by_population Religion Religion-related_lists Religious_demographics