QUICK FACTS:
People groups: 278
Population: 217,556,955
Unreached people groups: 231
UPG population: 179,056,955
Unengaged UPGs: 110
UUPG population: 8,253,655
Number of countries: 68
Base Religion: Christianity
Description: Eastern Orthodoxy includes Copts, the Assyrian Church of the East, Eastern Orthodox Churches and Oriental Orthodox Churches. These traditions split from the Roman Catholic Church over doctrinal, cultural and linguistic differences. The Orthodox Church considers itself the present-day continuation of the theology and practice established by Jesus Christ through his Apostles.
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