Ummah

Ummah (أمة‎) is an Arabic word meaning "community" or "nation".^[1] In Islam the word is used to refer to the collective worldwide body of Muslim believers,^[2] including both the Muslim population of Dar al-Islam and the Muslim population of Dar al-Harb who are living outside the lands where Islam rules. The leader of the ummah is known as the is theoretically to be the Caliph, "Amir Al-Mu'minin" or "Commander of the Believers", although no widely-accepted figure has held this position since the fall of the Ottoman caliphate after the end of the World War I.