World's Muslim Population

Statistics About the Muslim Population of the World

Nearly one-fifth of the world’s population today is Muslim. The Muslim population is a diverse community of believers spanning the globe. Over fifty countries have Muslim-majority populations, while other groups of believers are clustered in minority communities on nearly every continent.

Although Islam is often associated with the Arab world and the Middle East, fewer than 15% of Muslims are Arab.

Countries With The Largest Muslim Populations (2008)
Sources:
U.S. Census Bureau, International Data Base, updated 15 December 2008
CIA Online World Factbook, updated 2 April 2009
2008 Estimated Muslim Populations:

Country Number of Muslims
Indonesia : 204 million
Pakistan : 164 million
India : 154 million
Bangladesh : 128 million
Turkey : 76 million
Egypt : 74 million
Nigeria : 73 million
Iran : 65 million
Morocco : 34 million
Algeria : 33 million
Afghanistan : 32 million
Saudi Arabia : 28 million
Sudan : 28 million
China : 27 million
Iraq : 27 million
Ethiopia : 27 million

Source: Huda about.com