World Where at least half the followers of major religions live? January 5, 2016 Alex Via pewresearch.orghttp://www.pewresearch.org/fact-tank/2014/08/27/many-religions-heavily-concentrated-in-one-or-two-countries/ Related Posts:The World's Forests MappedThe Most Affordable ZIP Codes to Buy Property in…The Most and Least Expensive American Neighborhoods3D Mapping of The Global ClimateHow the World was Imagined: First Maps and AtlasesThe youngest counties in AmericaHalf of the French live in the blue areasItaly`s population split in half