jews religion pew muslims demographics world research growth center around jewish charts survey gender over gap fastest growing islam now
population world muslim religious global changes landscape christian not christians religion number fastest less many key pew expected become grow
religious religion religions world global distribution pew geographic christianity landscape christian groups africa chart america north charts growth largest center
2050 religious world religions research religion pew chart christians pie statistics 2010 united states population future composition populations islam major
religious pew islam world largest christianity research group study muslims overtake finds track center religion population religions worldwide growth rate
saharan 2050 major projected growth pew
political religious groups pew republican most research churches party america religion their church leanings christ leaning group center vote democratic
global landscape religious changing pew population world asia size groups believe unaffiliated
religious global pew landscape muslims changing islam deaths research world growing christians why fastest estimated births shares religiously unaffiliated center
population world 2010 2050 growth religions religious future pew research religion change global christianity projected largest center