QUICK FACTS:
People groups: 1,241
Population: 825,406,375
Unreached people groups: 608
UPG population: 416,333,175
Unengaged UPGs: 260
UUPG population: 26,179,625
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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