How many Members of OIC are there?
Number of Organization of Islamic Cooperation (OIC) Muslim states are 57
There are 57 members of OIC which are as under
The organisation of Islamic Cooperation
The Organisation of Islamic Cooperation, formerly the Organisation of the Islamic Conference, is an international organization founded in 1969, consisting of 57 member states, with a collective population of over 1.8 billion as of 2015 with 53 countries being Muslim-majority countries. Wikipedia