Christianity, or in particular, Roman Catholics
Catholicism
Jesus Christ is a worthy candidate as the Christian faith is considered to be the largest in the world with approximately two billion followers.
Connor and Myles Faith and Hope
Avatar is the most popular film in the world
Yes, most people in Cairo are Islamic.
Muhammad is the most popular name in the world.
The most 'popular' number in the world has not been recorded.
no,the most popular game in the world is soccer.
The most popular sport in the world is soccer.
The most popular soccer league in the world is the E.P.L.
The most popular animal in the world is dogs and dolphin.
red yellow and blue are the most popular colors in the world