There are about one billion Muslims in the world, concentrated primarily in North Africa, the Middle East, and South and Southeast Asia. Islam teaches that Allah selected Muhammad, a merchant from Mecca, as the last of the prophets following Adam, Moses, Jesus, and others, to deliver God's message to mankind. The report includes short descriptions of the historical background, the tenets of Islam, jihad, the status of women in Islam, and other aspects of Islam. The report will not be updated.