List of the largest Ummatic Organizations

Organization	Members/Scope	Headquarters	Founded	Description
Organisation of Islamic Cooperation (OIC)	57 member states, 1.8+ billion people	Jeddah, Saudi Arabia	1969	Second largest intergovernmental organization after UN, collective voice of Muslim world
Islamic Development Bank (IDB)	57 member countries	Jeddah, Saudi Arabia	1975	Largest financial institution serving Muslim world, OIC specialized agency
Islamic Educational, Scientific and Cultural Organization (ISESCO)	54 member states	Rabat, Morocco	1979	UNESCO equivalent for Muslim world, promotes education and culture
Islamic Society of North America (ISNA)	North America-wide	Plainfield, Indiana, USA	1963	Largest Muslim organization in North America
World Muslim League (Rabita)	Global	Mecca, Saudi Arabia	1962	International Islamic NGO promoting Islamic unity
Islamic World League	Global	Mecca, Saudi Arabia	1962	Promotes Islamic teachings and unity worldwide
Ummatics Institute	Global research network	Istanbul, Turkey	2023	Research organization for ummatic thought and practice
Islamic Broadcasting Union (IBU)	57 countries	Jeddah, Saudi Arabia	1975	Broadcasting cooperation among OIC nations
Union of News Agencies (UNA-OIC)	57 member agencies	Jeddah, Saudi Arabia	1972	Islamic news agencies network
Islamic Committee of International Crescent (ICIC)	Global humanitarian	Benghazi, Libya	1971	Humanitarian aid organization