44 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
 |  | UNITED ARAB EMIRATES | (Abu Dhabi ar) |  | President Sheikh Zayed II bin Sultan Al Nahyan |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Iajuddin Ahmed |  | |
 |  | BAHRAIN | (Manamah a + Sakhir r) |  | King Sheikh Hamad bin Isa Al Khalifah |  | |
 |  | BOTSWANA | (Gaborone a) |  | President Festus Mogae |  | |
 |  | CHINA | (Beijing) |  | Hu Jintao |  | |
 |  | CYPRUS | (Nicosia) |  | President Tassos Papadopoulos |  | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Hosni Mubarak |  | |
 |  | GHANA | (Accra) |  | President John Kufuor |  | |
 |  | THE GAMBIA | (Banjul) |  | President Yahya Jammeh |  | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Megawati Sukarnoputri |  | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w + Mysore r) |  | President Aavul Pakkiri Jainulabidin Abdul Kalam |  | |
 |  | IRAQ | (Baghdad a + Camp Victory m) |  | President George Walker Bush |  | |
 |  | IRAN | (Tehran a + Qum y) |  | Supreme Leader Ayatollah Ali Khamenei |  | |
 |  | JORDAN | (Amman) |  | King Abdullah II |  | |
 |  | JAPAN | (Tokyo) |  | Emperor Akihito |  | |
 |  | KENYA | (Nairobi) |  | President Emilio Mwai Kibaki |  | |
 |  | NORTH KOREA | (Pyongyang a) |  | Kim Jong-Il |  | |
 |  | SOUTH KOREA | (Seoul a) |  | President Roh Moo-Hyun |  | |
 |  | KUWAIT | (Kuwait City a + Bayan lr) |  | Emir Sheikh Jabir III Al Ahmad Al Jabir Al Sabah |  | |
 |  | LEBANON | (Beirut a + Yarze m + Hadeth d) |  | President Emile Lahoud |  | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Chandrika Kumaratunga |  | |
 |  | LIBYA | (Tripoli a) |  | Guide Muammar Gaddafi |  | |
 |  | MYANMAR | (Yangon ay) |  | Than Shwe |  | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Natsagiin Bagabandi |  | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | President Karl Auguste Offmann |  | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejklnry) |  | Raja Syed Sirajuddin I |  | |
 |  | NIGERIA | (Abuja a + Lagos kn) |  | President Olusegun Obasanjo |  | |
 |  | NEPAL | (Kathmandu) |  | Maharajah Gyanendra Bir Bikram Shah Dev |  | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said |  | |
 |  | PAKISTAN | (Islamabad a + Lahore ky) |  | President Pervez Musharraf |  | |
 |  | PALESTINE | (Ramallah qr + Gaza br + (East Jerusalem)) |  | President Yasser Arafat |  | |
 |  | QATAR | (Doha) |  | Emir Sheikh Hamad bin Khalifah Al Thani |  | |
 |  | SAUDI ARABIA | (Riyadh a + Mecca y) |  | King Fahd |  | |
 |  | SUDAN | (Khartoum a) |  | President Omar Al-Bashir |  | |
 |  | SINGAPORE | (Singapore) |  | President Sellapan Ramanathan Nathan |  | |
 |  | SIERRA LEONE | (Freetown) |  | President Ahmad Tejan Kabbah |  | |
 |  | SENEGAL | (Dakar) |  | President Abdoulaye Wade |  | |
 |  | SOMALIA | (Mogadishu) |  | President Abdiqasim Salad Hassan |  | |
 |  | SYRIA | (Damascus) |  | President Bashar Al-Assad |  | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej |  | |
 |  | TURKEY | (Ankara a) |  | President Ahmet Necdet Sezer |  | |
 |  | TANZANIA | (Dodoma City aln + Dar Es Salaam jnqr) |  | President Benjamin Mkapa |  | |
 |  | UGANDA | (Kampala a + Entebbe r) |  | President Yoweri Museveni |  | |
 |  | YEMEN | (Sanaa a) |  | President Ali Abdullah Saleh |  | |