81 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. ] :
 |  | ANDORRA | (Andorra The Old a + (La Seu d´Urgell) ry) |  | Coprince Joan Enric Vives Sicilia |  | |
 |  | ALBANIA | (Tirana) |  | President Ilir Meta | | |
 |  | ARMENIA | (Erevan) |  | President Armen Sarkisyan |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Mauricio Macri |  | |
 |  | AUSTRIA | (Vienna) |  | President Alexander Van der Bellen | | |
 |  | AUSTRALIA | (Canberra) |  | Sir Peter Cosgrove |  | |
 |  | AZERBAIJAN | (Baku) |  | President Iham Aliyev | | |
 |  | BOSNIA AND HERZEGOVINA | (Sarajevo) |  | President Bakir Izetbegovich | | |
 |  | BELGIUM | (Brussels) |  | King Philippe | | |
 |  | BURKINA FASO | (Ouagadougou) |  | President Roch Marc Christian Kabore |  | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev | | |
 |  | BRAZIL | (Brasilia) |  | President Michel Temer | | |
 |  | BELARUS | (Minsk) |  | President Alexander Lukashenko | | |
 |  | CANADA | (Ottawa) |  | Queen Elizabeth II |  | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Alain Berset | | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Sebastian Pinera | | |
 |  | CHINA | (Beijing) |  | Xi Jinping | | |
 |  | COSTA RICA | (San Jose) |  | President Carlos Alvarado Quesada | | |
 |  | CYPRUS | (Nicosia) |  | President Nicos Anastasiades | | |
 |  | 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 | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Lenin Moreno | | |
 |  | ESTONIA | (Tallinn a + Tartu b) |  | President Kersti Kaljulaid | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Abdel Fattah el-Sisi | | |
 |  | SPAIN | (Madrid) |  | King Philip VI | | |
 |  | EUROPEAN UNION | (Brussels a + Luxembourg j + Strasbourg l) |  | President Jean-Claude Juncker | | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Sauli Niinisto | | |
 |  | FRANCE | (Paris) |  | President Emmanuel Macron | | |
 |  | GEORGIA | (Tbilisi a + Kutaisi l + Batumi d) |  | President Giorgi Margvelashvili | | |
 |  | GREECE | (Athens a) |  | President Prokopis Pavlopoulos | | |
 |  | CROATIA | (Zagreb) |  | President Kolinda Grabar-Kitarovich | | |
 |  | 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 | | |
 |  | ICELAND | (Reykjavik a + Alftanes r) |  | President Gudhni Thorlacius Johannesson | | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella | | |
 |  | JORDAN | (Amman) |  | King Abdullah II | | |
 |  | JAPAN | (Tokyo) |  | Emperor Akihito | | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b) |  | President Moon Jae-In | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Maithripala Sirisena | | |
 |  | LITHUANIA | (Vilnius) |  | President Dalia Grybauskaite | | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duke Henri | | |
 |  | LATVIA | (Riga) |  | President Raimonds Vejonis | | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI | | |
 |  | MONACO | (Monaco q) |  | Prince Albert II | | |
 |  | MOLDOVA | (Chisinau) |  | President Igor Dodon | | |
 |  | MONTENEGRO | (Podgoritsa a + Cetinje hr) |  | President Milo Djukanovich | | |
 |  | NORTH MACEDONIA | (Skopje) |  | President Gjorge Ivanov | | |
 |  | MALTA | (Valletta a + Attard r + Siggiewi s) |  | President Marie-Louise Coleiro Preca | | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | Barlen Vyapoory | | |
 |  | MEXICO | (Mexico City) |  | President Enrique Pena Nieto | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Muhammad V. Faris Petra | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | King Willem-Alexander | | |
 |  | NORWAY | (Oslo) |  | King Harald V | | |
 |  | NEW ZEALAND | (Wellington) | | Queen Elizabeth II | | |
 |  | PANAMA | (Panama City) |  | President Juan Carlos Varela | | |
 |  | PERU | (Lima a + Arequipa d + Cusco h) |  | President Martin Vizcarra | | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Rodrigo Duterte | | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda | | |
 |  | PORTUGAL | (Lisbon) |  | President Marcelo Rebelo de Sousa | | |
 |  | PARAGUAY | (Assumption) |  | President Horacio Cartes | | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis | | |
 |  | SERBIA | (Belgrade) |  | President Alexandar Vuchich | | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d) |  | President Vladimir Putin | | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav | | |
 |  | SINGAPORE | (Singapore) |  | President Halimah Yacob | | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor | | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Andrej Kiska | | |
 |  | SURINAME | (Paramaribo) |  | President Desi Bouterse | | |
 |  | TUNISIA | (Tunis a + Bardois df) |  | President Mohamed Beji Caid Essebsi | | |
 |  | TURKEY | (Ankara a) |  | President Recep Tayyip Erdogan | | |
 |  | UKRAINE | (Kiev) |  | President Petro Poroshenko | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Donald Trump | | |
 |  | URUGUAY | (Montevideo) |  | President Tabare Vazquez | | |
 |  | VENEZUELA | (Caracas) |  | President Nicolas Maduro | | |
 |  | VIETNAM | (Hanoi) |  | Nguyen Phu Trong | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa | | |
 |  | ZAMBIA | (Lusaka) |  | President Edgar Lungu | | |
