21 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) |  | Sir Peter Cosgrove |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Abdul Hamid | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Joko Widodo | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Ram Nath Kovind | | |
 |  | IRAN | (Tehran) |  | Supreme Leader Ayatollah Ali Khamenei | | |
 |  | KENYA | (Nairobi) |  | President Uhuru Kenyatta |  | |
 |  | COMOROS | (Moroni) |  | President Azali Assoumani | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Maithripala Sirisena | | |
 |  | MADAGASCAR | (Tananarive) |  | President Hery Rajaonarimampianina | | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | President Ameenah Gurib-Fakim | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Muhammad V. Faris Petra | | |
 |  | MOZAMBIQUE | (Maputo) |  | President Filipe Nyusi | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | SEYCHELLES | (Port Victoria) |  | President Danny Faure | | |
 |  | SINGAPORE | (Singapore) |  | President Tony Tan Keng Yam | | |
 |  | SOMALIA | (Mogadishu-Hamar Weyne) |  | President Mohamed Abdullahi Mohamed Farmajo | | |
 |  | THAILAND | (Bangkok) |  | King Rama X. Vajiralongkorn | | |
 |  | TANZANIA | (Dodoma City al + Dar Es Salaam jnqr) |  | President John Magufuli | | |
 |  | YEMEN | (Aden lqt + Riyadh x) |  | President Abd Rabbuh Mansur Hadi | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Jacob Zuma | | |
