QUICK FACTS:
People groups: 1,387
Population: 1,279,525,545
Unreached people groups: 722
UPG population: 589,655,105
Unengaged UPGs: 280
UUPG population: 31,946,205
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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