QUICK FACTS:
People groups: 1,241
Population: 806,603,095
Unreached people groups: 603
UPG population: 405,159,450
Unengaged UPGs: 248
UUPG population: 15,230,900
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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