Islam by country

Population of Muslims by country

Adherents of Islam constitute the world's second largest religious group. A projection by the PEW suggests that Muslims numbered approximately 1.9 billion followers in 2020. Studies in the 21st century suggest that, in terms of percentage and worldwide spread, Islam is the fastest-growing major religion in the world, mostly because Muslims have more children than other major religious groups. Most Muslims are either of two denominations: Sunni or Shia. Islam is the majority religion in several subregions: Central Asia, Western Asia, North Africa, West Africa, the Sahel, and the Middle East. The diverse Asia-Pacific region contains the highest number of Muslims in the world, surpassing the combined Middle East and North Africa.

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