QUICK FACTS:
People groups: 1,240
Population: 814,919,720
Unreached people groups: 605
UPG population: 409,920,350
Unengaged UPGs: 266
UUPG population: 39,331,450
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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