Islam is one of the fastest growing religions in the world. From its birth through the prophet Muhammad in the Middle East, Islam has spread to Africa, Europe, Asia, and the Americas. The following table shows the 50 countries with the highest percentage of Muslims.
- US State Department's International Religious Freedom Report 2004 <http://www.state.gov/g/drl/rls/irf/>
- CIA Factbook <http://www.cia.gov/cia/publications/factbook/>
- adherents.com <http://www.adherents.com/Na/Na_321.html#2058>
- Religious Freedom page <http://religiousfreedom.lib.virginia.edu/nationprofiles/>
- census.gov <http://www.census.gov/cgi-bin/ipc/idbrank.pl>