QUICK FACTS:
People groups: 593
Population: 522,864,540
Unreached people groups: 206
UPG population: 34,644,370
Unengaged UPGs: 50
UUPG population: 1,243,800
Number of countries: 66
Base Religion: Christianity
Description: Other / Marginal Christianity includes cults like Mormons and Jehovah's Witnesses who profess to be Christian, yet reject Jesus Christ as the way of salvation, as well as groups with a veneer of Christianity (Orthodox, Protestant or Catholic) but whose actual beliefs and practices are rooted in animism.
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