QUICK FACTS:
People groups: 2,239
Population: 519,691,080
Unreached people groups: 345
UPG population: 371,098,085
Unengaged UPGs: 107
UUPG population: 9,161,670
Number of countries: 118
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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