QUICK FACTS:
People groups: 1,411
Population: 1,280,383,745
Unreached people groups: 724
UPG population: 590,047,505
Unengaged UPGs: 281
UUPG population: 31,962,605
Number of countries: 145
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 founded by Jesus Christ and that its bishops are the successors of Christ.
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