Republic of Azerbaijan(Member since:1992) Hashemite Kingdom of Jordan (Member since:1969) Islamic Republic of Afghanistan (Member since:1969) Republic of Albania (Member since:1992)
The State of United Arab Emirates (Member since: 1972) Republic of INDONESIA(Member since 1969) Republic of Uzbekistan (Member since:1996) Republic of Uganda (Member since:1974)
Islamic Republic of Iran (Member since:1969) Islamic Republic of Pakistan (Member since:1969) Kingdom of Bahrain (Member since:1972) Sultanate of Brunei Darussalam
People’s Republic of Bangladesh (Member since:1974) Republic of Benin (Member since:1983) Burkina Faso (Member since:1974) Republic of Tajikistan (Member since:1992)
Republic of Türkiye (Member since:1969) Republic of Turkmenistan (Member since:1992) Republic of Chad (Member since:1969) Republic of TOGO Member since 1997
Republic of Tunisia (Member since:1969) People’s Democratic Republic of Algeria (Member since:1969) Republic of Djibouti(Member since:1978) Kingdom of Saudi Arabia (Member since:1969)
Republic of Senegal (Member since:1969) Republic of Sudan (Member since: 1969) Republic of the Suriname (Member since:1996) Republic of Sierra Leone (Member since:1972)
Democratic Republic of Somalia (Member since:1969) Republic of Iraq (Member since:1975) Sultanate of Oman (Member since:1972) Republic of Gabon (Member since:1974)
Republic of the Gambia (Member since:1974) Cooperative Republic of Guyana (Member since:1998) Republic of Guinea (Member since:1969) Republic of Guinea-Bissau (Member since:1974)
The State of Palestine (Member since:1969 Union of the Comoros (Member since:1976) Kyrgyz Republic (Member since:1992) State of Qatar(Member since:1972)
Republic of Kazakhstan (Member since:1995) Republic of Cameroon (Member since:1974) Republic of Cote d’Ivoire (Ivory Coast) (Member since:2001) The State of Kuwait (Member since:1969)
Republic of Lebanon (Member since:1969) Libya (Member since 1969) Republic of Maldives (Member since:1976) Republic of Mali (Member since:1969)
Malaysia (Member since:1969) Arab Republic of EGYPT(Member since 1969) Kingdom of Morocco (Member since:1969) Islamic Republic of Mauritania (Member since:1969)
Republic of Mozambique (Member since:1994) Republic of Niger (Member since:1969) Federal Republic of Nigeria (Member since:1986) Republic of Yemen (Member since:1969)

Observers

Bosna-HersekBosnia and Herzegovina TaylandKingdom of Thailand RusyaRussian Federation KibrisTRNC
Orta-Afrika-CumhuriyetiCentral African Republic