Which religion has the most followers worldwide? – Metro April 5, 2018 by Fulcrum It’s easy to think we’re a secular society, until events like Easter, Eid, or Passover come along, and plenty of our friends and family are celebrating. In reality, the majority of the world abides by one religion or another, and although there are hundreds (perhaps thousands) of denominations, there are a few that are the most popular. Jessica Lindsay. Metro 4 April 2018 FulcrumShareTweetShare