World Population 2024 Graph By Religion. A comprehensive demographic study of more than 230 countries and territories conducted by the pew research center’s forum on religion & public life. This chart shows the world's largest religious groups in 2015 and in 2060 (projection).

Christianity remains the world’s largest religion in 2024, with almost 2.4 billion adherents. About pew research center pew research center is a nonpartisan, nonadvocacy fact tank that informs.