QUICK FACTS:
People groups: 2,239
Population: 536,451,705
Unreached people groups: 337
UPG population: 366,846,825
Unengaged UPGs: 102
UUPG population: 9,713,085
Number of countries: 120
Base Religion: Christianity
Description: Protestantism is the form of Christian faith and practice which originated with the Protestant Reformation, a movement against what Protestants considered to be doctrinal errors in the Roman Catholic Church. Protestants reject the idea of papal supremacy, instead stressing the authority of scripture alone, justification by faith alone, and salvation through Christ alone.
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