Islam overtakes Catholicism in numbers

Massive mosque at the Muslim holy site of Mecca

National Geographic has this article saying that Islam has now overtaken Catholicism as the world’s largest religion. According to the article this is the current breakdown (percentage of world population):

  • Islamic: 19.2%
  • Catholic: 17.4%

That said, Christians as a whole are still by far the largest religious group comprising 33% of the world population.