63 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. ] :
 |  | ALBANIA | (Tirana) |  | President Ilir Meta |  | |
 |  | ARMENIA | (Erevan) |  | President Armen Sarkisyan |  | |
 |  | AZERBAIJAN | (Baku) |  | President Iham Aliyev | | |
 |  | BOSNIA AND HERZEGOVINA | (Sarajevo) |  | President Bakir Izetbegovich | | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev | | |
 |  | BELARUS | (Minsk) |  | President Alexander Lukashenko | | |
 |  | COTE D´IVOIRE | (Yamoussoukro a + Abidjan dln) |  | President Alassane Ouattara |  | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya | | |
 |  | CHINA | (Beijing) |  | Xi Jinping | | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Milos Zeman | | |
 |  | ESTONIA | (Tallinn a + Tartu b) |  | President Kersti Kaljulaid | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Abdel Fattah el-Sisi | | |
 |  | GEORGIA | (Tbilisi a + Kutaisi l + Batumi d) |  | President Giorgi Margvelashvili | | |
 |  | CROATIA | (Zagreb) |  | President Kolinda Grabar-Kitarovich | | |
 |  | HUNGARY | (Budapest a) |  | President Janos Ader | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Joko Widodo | | |
 |  | IRAQ | (Baghdad) |  | President Fuad Masum | | |
 |  | KENYA | (Nairobi) |  | President Uhuru Kenyatta | | |
 |  | KYRGYZSTAN | (Bishkek) |  | President Sooronbay Jeenbekov | | |
 |  | CAMBODIA | (Phnom Penh) |  | King Norodom Sihamoni | | |
 |  | COMOROS | (Moroni) |  | President Azali Assoumani | | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b) |  | President Moon Jae-In | | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Sabah IV Al Ahmad Al Jabir Al Sabah | | |
 |  | KAZAKHSTAN | (Astana a) |  | President Elbashy Nursultan Nazarbayev | | |
 |  | LEBANON | (Beirut a + Baabda r + Hadeth d) |  | President Michel Aoun | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Maithripala Sirisena | | |
 |  | LITHUANIA | (Vilnius) |  | President Dalia Grybauskaite | | |
 |  | LATVIA | (Riga) |  | President Raimonds Vejonis | | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI | | |
 |  | MOLDOVA | (Chisinau) |  | President Igor Dodon | | |
 |  | MONTENEGRO | (Podgoritsa a + Cetinje hr) |  | President Filip Vujanovich | | |
 |  | MADAGASCAR | (Tananarive) |  | President Hery Rajaonarimampianina | | |
 |  | MACEDONIA | (Skopje) |  | President Gjorge Ivanov | | |
 |  | MYANMAR | (Naypyidaw a + Rangoon bn) |  | President Win Myint | | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Khaltmaagiin Battulga | | |
 |  | MALDIVES | (Male) |  | President Abdulla Yameen Abdul Gayoom | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Muhammad V. Faris Petra | | |
 |  | NEPAL | (Kathmandu) |  | President Bidhya Devi Bhandari | | |
 |  | NEW ZEALAND | (Wellington) |  | Queen Elizabeth II |  | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PANAMA | (Panama City) |  | President Juan Carlos Varela |  | |
 |  | PAPUA NEW GUINEA | (Port Moresby) | | Queen Elizabeth II | | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Rodrigo Duterte | | |
 |  | PAKISTAN | (Islamabad) |  | President Mamnoon Hussain | | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda | | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis | | |
 |  | SERBIA | (Belgrade) |  | President Alexandar Vuchich | | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d) |  | President Vladimir Putin | | |
 |  | SINGAPORE | (Singapore) |  | President Halimah Yacob | | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor | | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Andrej Kiska | | |
 |  | SOMALIA | (Mogadishu-Hamar Weyne) |  | President Mohamed Abdullahi Mohamed Farmajo | | |
 |  | THAILAND | (Bangkok) |  | King Rama X. Vajiralongkorn | | |
 |  | TIMOR-LESTE | (Dili) |  | President Francisco Guterres | | |
 |  | TURKMENISTAN | (Ashgabat) |  | President Arkadag Gurbanguly Berdymukhammedov | | |
 |  | TURKEY | (Ankara a) |  | President Recep Tayyip Erdogan | | |
 |  | TRINIDAD AND TOBAGO | (Port-of-Spain) |  | President Paula-Mae Weeke |  | |
 |  | UKRAINE | (Kiev) |  | President Petro Poroshenko | | |
 |  | URUGUAY | (Montevideo) |  | President Tabare Vazquez | | |
 |  | UZBEKISTAN | (Tashkent a) |  | Shavkat Mirziyayev | | |
 |  | VIETNAM | (Hanoi) |  | Nguyen Phu Trong | | |
 |  | YEMEN | (Litlle Aden lqt + Riyadh x) |  | President Abd Rabbuh Mansur Hadi | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa | | |
