World Religion Statistics 2024. During the 2024 campaign, as in other recent national elections, catholic voters were sharply divided over various volatile social issues. As of 2010, christianity was by far the world’s largest religion, with an estimated 2.2 billion adherents, nearly a third (31%) of all 6.9 billion people on earth.
While 94% of the world’s hindus live in india,. Over 84% of the world’s population identifies with a religious group.