religious world largest around groups where they religions map population people across pew will research percentage distribution number public large
religious religion religions world global distribution pew geographic christianity landscape christian groups africa chart america north charts growth largest center
religion religions national buddhism subdivision islam shia taoism pagan faith
religious pew islam world largest christianity research group study muslims overtake finds track center religion population religions worldwide growth rate
religions world chart bar religious percentages major sizes groups population global
global landscape religious changing pew population world asia size groups believe unaffiliated
map world religion countries religious country most each religions around common composition split based population mapped pew created research center