It is estimated that the population of Muslims around the world in 2015 is around 1.8 billion. According to Pew Research Center, Islam is the fastest growing religion in the world.
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How many Muslims are there around the world?
It is estimated that the population of Muslims around the world in 2015 is around 1.8 billion. According to Pew Research Center, Islam is the fastest growing religion in the world.
source