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 (2009):
| Country | Number of Muslims |
| Indonesia | 203 million |
| Pakistan | 174 million |
| India | 161 million |
| Bangladesh | 145 million |
| Egypt | 79 million |
| Nigeria | 78 million |
| Iran | 74 million |
| Turkey | 74 million |
| Algeria | 34 million |
| Morocco | 32 million |
| Iraq | 30 million |
| Sudan | 30 million |
| Afghanistan | 28 million |
| Ethiopia | 28 million |
| Uzbekistan | 26 million |
| Saudi Arabia | 25 million |
| Yemen | 23 million |
| China | 22 million |
| Syria | 20 million |
| Russia | 16 million |


