Estimated size of Christian traditions in world population:
Catholic – 15%
Protestant – 11.6%
Orthodox – 3.8%
Other Christian – 0.4%
*Protestants are broadly defined in this report to include Reformation groups and their later iterations, Anglicans, and independent Christians.
*“Other Christian” groups self-identify as Christian although older Christian traditions may view them as distinct from mainstream Christianity, e.g., the Church of Jesus Christ of Latter-day Saints (Mormons), Jehovah’s Witnesses, and the Christian Science Church.
38% identify as Catholic
23% identify with no religion
10% identify as evangelical
8% identify with other world faiths
Computed from Statistics Canada, 2009 General Social Survey