QUICK FACTS:
People groups: 1,236
Population: 816,000,070
Unreached people groups: 601
UPG population: 410,381,250
Unengaged UPGs: 260
UUPG population: 25,787,150
Number of countries: 132
Base Religion: Christianity
Description: Roman Catholicism is the largest branch of the Christian church and is among the oldest religious institutions in the world. The Catholic Church teaches that it is the one true Church found by Jesus Christ and that its bishops are the successors of Christ's apostles.
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