QUICK FACTS:
People groups: 529
Population: 674,953,075
Unreached people groups: 520
UPG population: 653,595,075
Unengaged UPGs: 265
UUPG population: 43,658,400
Number of countries: 98
Base Religion: Islam
Description: Sunni and Shia Muslims share many fundamental Islamic beliefs but differ over the question of leadership. Sunni Muslims are those who, at Muhammad's death, agreed that the new leader should be chosen from among the Prophet's followers. Abu Bakr, Muhammad's close friend and advisor was chosen as the first Caliph of the Islamic nation. The word "Sunni" in Arabic means "one who follows the traditions of the Prophet".
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