24 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. ] :
| | BANGLADESH | (Dhaka a) | | President Iajuddin Ahmed | | |
| | BENIN | (Porto Novo a + Cotonou ilnqr) | | President Yayi Boni | | |
| | CHINA | (Beijing) | | Hu Jintao | | |
| | COLOMBIA | (Bogota) | | President Alvaro Uribe | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Hosni Mubarak | | |
| | ETHIOPIA | (Addis Ababa) | | President Girma Wolde-Giorgis | | |
| | GHANA | (Accra) | | President John Kufuor | | |
| | THE 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 | | |
| | JORDAN | (Amman) | | King Abdullah II | | |
| | KENYA | (Nairobi) | | President Emilio Mwai Kibaki | | |
| | MOROCCO | (Rabat a) | | King Muhammad VI | | |
| | MALI | (Bamako) | | President Amadou Toumani Toure | | |
| | MEXICO | (Mexico City) | | President Felipe Calderon | | |
| | NIGERIA | (Abuja a) | | President Umaru Yar´Adua | | |
| | PAKISTAN | (Islamabad) | | President Asif Ali Zardari | | |
| | SENEGAL | (Dakar) | | President Abdoulaye Wade | | |
| | THAILAND | (Bangkok) | | King Rama IX Bhumibol Adulyadej | | |
| | TUNISIA | (Tunis) | | President Zine El Abidine Ben Ali | | |
| | 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 Kgalema Motlanthe | | |
| | ZIMBABWE | (Harare) | | President Robert Mugabe | | |