The Organization of Islamic Cooperation (OIC) has 57 members, 56 of which are also member states of the United Nations, the exception being Palestine. Some members, especially in West Africa and South America, are – though with large Muslim populations – not necessarily Muslim majority countries.

Membership: 57 member states

The second OIC Summit Conference held from February 22, 1974 to February 24, 1974 in Lahore, Pakistan.

The Organization was established upon a decision of the historical summit which took place in Rabat, Kingdom of Morocco on 12th Rajab 1389 Hijra (25 September 1969)

The Organisation of Islamic Cooperation has 57 members

Pakistan join OIC in 1969.

Type Intergovernmental organization

Membership 57 member states

Establishment Charter signed on 25 September 1969

It is the largest international organization outside of the United Nations.

The official languages of the OIC are Arabic, English and French.

It was founded in 1969 and had 25 members originally.

It changed its name on 28 June 2011 from the Organization of the Islamic Conference to its current name.

Total Current member= 57