60 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 |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Alberto Fernandez |  | |
 |  | AUSTRIA | (Vienna) |  | President Alexander Van der Bellen |  | |
 |  | AUSTRALIA | (Canberra) |  | David Hurley |  | |
 |  | BELGIUM | (Brussels) |  | King Philippe | | |
 |  | BURKINA FASO | (Ouagadougou) |  | President Roch Marc Christian Kabore |  | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev | | |
 |  | BENIN | (Porto Novo a + Cotonou ilnqr) |  | President Patrice Talon | | |
 |  | CANADA | (Ottawa) |  | Queen Elizabeth II |  | |
 |  | CONGO-BRAZZAVILLE | (Brazzaville a + Pointe Noire n) |  | President Denis Sassou-Nguesso | | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Simonetta Sommaruga | | |
 |  | COTE D´IVOIRE | (Yamoussoukro a + Abidjan dln + Cocody b) |  | President Alassane Ouattara | | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya | | |
 |  | CHINA | (Beijing) |  | Xi Jinping | | |
 |  | CUBA | (Havana) |  | Raul Castro | | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Milos Zeman | | |
 |  | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) |  | Bundespresident Frank-Walter Steinmeier | | |
 |  | DENMARK | (Copenhagen) |  | Queen Margaret II | | |
 |  | ALGERIA | (Algiers a + El Biar d + El Mouradia r) |  | State President Abdelmadjid Tebboune | | |
 |  | EGYPT | (Cairo a + Alexandria r + Almasa New Capital City f) |  | President Abdel Fattah el-Sisi | | |
 |  | SPAIN | (Madrid) |  | King Philip VI | | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Sauli Niinisto | | |
 |  | FRANCE | (Paris) |  | President Emmanuel Macron | | |
 |  | GABON | (Libreville) |  | President Ali Ben Bongo Ondimba | | |
 |  | GUINEA | (Conakry) |  | President Alpha Conde | | |
 |  | GREECE | (Athens a) |  | President Ekaterini Sakellaropoulou | | |
 |  | CROATIA | (Zagreb) |  | President Zoran Milanovich | | |
 |  | HUNGARY | (Budapest a) |  | President Janos Ader | | |
 |  | IRELAND | (Dublin) |  | President Michael Daniel Higgins | | |
 |  | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) |  | President Reuven Rivlin | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Ram Nath Kovind | | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella | | |
 |  | JORDAN | (Amman) |  | King Abdullah II | | |
 |  | JAPAN | (Tokyo) |  | Emperor Naruhito | | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b) |  | President Moon Jae-In | | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI | | |
 |  | MADAGASCAR | (Tananarive) |  | President Andry Rajoelina | | |
 |  | NORTH MACEDONIA | (Skopje) |  | President Stevo Pendarovski | | |
 |  | NIGER | (Niamey) |  | President Mahamadou Issoufou | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | King Willem-Alexander | | |
 |  | NORWAY | (Oslo) |  | King Harald V | | |
 |  | NEW ZEALAND | (Wellington) | | Queen Elizabeth II | | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Tamim bin Hamad Al Thani | | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis | | |
 |  | SERBIA | (Belgrade) |  | President Alexandar Vuchich | | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d) |  | President Vladimir Putin | | |
 |  | SAUDI ARABIA | (Riyadh) |  | King Salman | | |
 |  | SUDAN | (Khartoum) |  | Abdel-Fatah al-Burhan Abdelrahman | | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav | | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor | | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Zuzana Caputova | | |
 |  | CHAD | (Ndjamena) |  | President Idriss Deby Itno | | |
 |  | TOGO | (Lome) |  | President Faure Gnassingbe | | |
 |  | TUNISIA | (Tunis a + Bardois df) |  | President Kais Saied | | |
 |  | TURKEY | (Ankara a) |  | President Recep Tayyip Erdogan | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Donald Trump | | |
 |  | UZBEKISTAN | (Tashkent a) |  | Shavkat Mirziyayev | | |
 |  | VIETNAM | (Hanoi) |  | Nguyen Phu Trong | | |
