47 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 Khalifa bin Zayed Al Nahyan |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Zillur Rahman | | |
 |  | BAHRAIN | (Manamah) |  | King Sheikh Hamad bin Isa Al Khalifah | | |
 |  | BRUNEI DARUSSALAM | (Bandar Seri Begawan) |  | Sultan Hassanal Bolkiah | | |
 |  | BOTSWANA | (Gaborone) |  | President Seretse Ian Khama |  | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya | | |
 |  | CHINA | (Beijing) |  | Hu Jintao | | |
 |  | CYPRUS | (Nicosia) |  | President Dimitris Christofias | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Hosni Mubarak | | |
 |  | GHANA | (Accra) |  | President John Atta Mills | | |
 |  | GAMBIA | (Banjul) |  | President Yahya Jammeh | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Susilo Bambang Yudhoyono | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Pratibha Patil | | |
 |  | IRAQ | (Baghdad) |  | President Jalal Talabani | | |
 |  | IRAN | (Tehran) |  | 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 Lee Myung-Bak | | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Sabah IV Al Ahmad Al Jabir Al Sabah | | |
 |  | LEBANON | (Beirut a + Baabda r + Hadeth d) |  | President Michel Suleiman | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Mahinda Rajapaksa | | |
 |  | LIBYA | (Tripoli a) |  | Guide Muammar Gaddafi | | |
 |  | MYANMAR | (Naypyidaw a + Yangon bn) |  | Than Shwe | | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Tsakhiagiin Elbegdorj | | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | President Sir Anerood Jugnauth | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Mizan Zainal Abidin | | |
 |  | NIGERIA | (Abuja a) |  | President Umaru Yar´Adua | | |
 |  | NEPAL | (Kathmandu) |  | President Ram Baran Yadav | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PAKISTAN | (Islamabad) |  | President Asif Ali Zardari | | |
 |  | PALESTINE | (Ramallah qr + (East Jerusalem)) |  | President Mahmoud Abbas | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Hamad bin Khalifah Al Thani | | |
 |  | SAUDI ARABIA | (Riyadh) |  | King Abdullah | | |
 |  | SUDAN | (Khartoum) |  | President Omar Al-Bashir | | |
 |  | SINGAPORE | (Singapore) |  | President Sellapan Ramanathan Nathan | | |
 |  | SIERRA LEONE | (Freetown) |  | President Ernest Bai Koroma | | |
 |  | SENEGAL | (Dakar) |  | President Abdoulaye Wade | | |
 |  | SOMALIA | (Mogadishu) |  | President Sheikh Sharif Ahmed | | |
 |  | SYRIA | (Damascus) |  | President Bashar Al-Assad | | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej | | |
 |  | TURKEY | (Ankara a) |  | President Abdullah Gul | | |
 |  | TANZANIA | (Dodoma City al + Dar Es Salaam jnqr) |  | President Jakaya Kikwete | | |
 |  | UGANDA | (Kampala a + Entebbe r) |  | President Yoweri Museveni | | |
 |  | YEMEN | (Sanaa) |  | President Ali Abdullah Saleh | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Jacob Zuma | | |
