18 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 |  | |
 |  | AUSTRALIA | (Canberra) |  | Philip Michael Jeffery |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Iajuddin Ahmed | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Susilo Bambang Yudhoyono | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Aavul Pakkiri Jainulabidin Abdul Kalam | | |
 |  | IRAN | (Tehran) |  | Supreme Leader Ayatollah Ali Khamenei | | |
 |  | KENYA | (Nairobi) |  | President Emilio Mwai Kibaki |  | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Mahinda Rajapaksa | | |
 |  | MADAGASCAR | (Tananarive) |  | President Marc Ravalomanana | | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | President Sir Anerood Jugnauth | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Raja Syed Sirajuddin I | | |
 |  | MOZAMBIQUE | (Maputo) |  | President Armando Guebuza | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | SINGAPORE | (Singapore) |  | President Sellapan Ramanathan Nathan | | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej | | |
 |  | TANZANIA | (Dodoma City al + Dar Es Salaam jnqr) |  | President Jakaya Kikwete | | |
 |  | YEMEN | (Sanaa) |  | President Ali Abdullah Saleh | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Thabo Mbeki | | |
