92 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 Muhammad bin Zayed Al Nahyan |  | |
 |  | AFGHANISTAN | (Dushanbe x) |  | Amrullah Saleh |  | |
 |  | ALBANIA | (Tirana) |  | President Ilir Meta |  | |
 |  | ARMENIA | (Erevan) |  | President Vahagn Khachaturyan |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Alberto Fernandez |  | |
 |  | AUSTRIA | (Vienna) |  | President Alexander Van der Bellen |  | |
 |  | AUSTRALIA | (Canberra) |  | David Hurley |  | |
 |  | BANGLADESH | (Dhaka) |  | President Abdul Hamid |  | |
 |  | BELGIUM | (Brussels) |  | King Philippe |  | |
 |  | BURKINA FASO | (Ouagadougou) |  | President Paul-Henri Sandaogo Damiba |  | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev |  | |
 |  | BAHRAIN | (Manamah) |  | King Sheikh Hamad bin Isa Al Khalifah |  | |
 |  | BOLIVIA | (Sucre cj + La Paz eir) |  | President Luis Arce |  | |
 |  | BRAZIL | (Brasilia) |  | President Jair Bolsonaro |  | |
 |  | CANADA | (Ottawa) |  | Queen Elizabeth II |  | |
 |  | SWITZERLAND | (Berne q + Lausanne j) |  | President Ignazio Cassis |  | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Gabriel Boric |  | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya |  | |
 |  | CHINA | (Beijing) |  | Xi Jinping |  | |
 |  | COLOMBIA | (Bogota) |  | President Ivan Duque Marquez |  | |
 |  | COSTA RICA | (San Jose) |  | President Rodrigo Chaves Robles |  | |
 |  | CUBA | (Havana) |  | Miguel Diaz-Canel |  | |
 |  | CYPRUS | (Nicosia) |  | President Nicos Anastasiades |  | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Milos Zeman |  | |
 |  | GERMANY | (Berlin ar + Bonn lr + Carlsruhe d) |  | Bundespresident Frank-Walter Steinmeier |  | |
 |  | DENMARK | (Copenhagen) |  | Queen Margaret II |  | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Luis Abinader |  | |
 |  | ALGERIA | (Algiers a + El Biar d + El Mouradia r) |  | President Abdelmadjid Tebboune |  | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Guillermo Lasso |  | |
 |  | ESTONIA | (Tallinn a + Tartu b) |  | President Alar Karis |  | |
 |  | 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 |  | |
 |  | GEORGIA | (Tbilisi a + Batumi d) |  | President Salome Zurabishvili |  | |
 |  | GHANA | (Accra) |  | President Nana Addo Dankwa Akufo-Addo |  | |
 |  | GREECE | (Athens a) |  | President Ekaterini Sakellaropoulou |  | |
 |  | GUATEMALA | (Guatemala City) |  | President Alejandro Giammattei |  | |
 |  | HONG KONG | (Victoria City) |  | Xi Jinping |  | |
 |  | CROATIA | (Zagreb) |  | President Zoran Milanovich |  | |
 |  | INDONESIA | (Jakarta a + Nusantara f + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Joko Widodo |  | |
 |  | IRELAND | (Dublin) |  | President Michael Daniel Higgins |  | |
 |  | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) |  | President Isaac Herzog |  | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Ram Nath Kovind |  | |
 |  | IRAN | (Tehran) |  | Supreme Leader Ayatollah Ali Khamenei |  | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella |  | |
 |  | JORDAN | (Amman) |  | King Abdullah II |  | |
 |  | JAPAN | (Tokyo) |  | Emperor Naruhito |  | |
 |  | KENYA | (Nairobi) |  | President Uhuru Kenyatta |  | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b) |  | President Yoon Suk-Yeol |  | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Nawaf Al Ahmad Al Jabir Al Sabah |  | |
 |  | LEBANON | (Beirut a + Hadeth d) |  | President Michel Aoun |  | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Gotabaya Rajapaksa |  | |
 |  | LITHUANIA | (Vilnius) |  | President Gitanas Nauseda |  | |
 |  | LUXEMBOURG | (Luxembourg City a) |  | Grand Duke Henri |  | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI |  | |
 |  | MONACO | (Monaco q) |  | Prince Albert II |  | |
 |  | NORTH MACEDONIA | (Skopje) |  | President Stevo Pendarovski |  | |
 |  | MACAO | (Macao) |  | Xi Jinping |  | |
 |  | MEXICO | (Mexico City) |  | President Andres Manuel Lopez Obrador |  | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Abdullah Shah |  | |
 |  | NIGERIA | (Abuja) |  | President Muhammadu Buhari |  | |
 |  | 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 Laurentino Cortizo Cohen |  | |
 |  | PERU | (Lima a + Arequipa d + Cusco h) |  | President Pedro Castillo |  | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Rodrigo Duterte |  | |
 |  | PAKISTAN | (Islamabad) |  | President Arif Alvi |  | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda |  | |
 |  | PORTUGAL | (Lisbon) |  | President Marcelo Rebelo de Sousa |  | |
 |  | PARAGUAY | (Assumption) |  | President Mario Abdo Benitez |  | |
 |  | 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 |  | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav |  | |
 |  | SINGAPORE | (Singapore) |  | President Halimah Yacob |  | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor |  | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Zuzana Caputova |  | |
 |  | SYRIA | (Damascus) |  | President Bashar Al-Assad |  | |
 |  | THAILAND | (Bangkok) |  | King Rama X Vajiralongkorn |  | |
 |  | TURKIYE | (Ankara a + Marmaris s) |  | President Recep Tayyip Erdogan |  | |
 |  | CHINA-TAIPEI | (Taipei a) |  | President Tsai Ing-Wen |  | |
 |  | UKRAINE | (Kyiv) |  | President Volodymyr Zelensky |  | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) |  | Queen Elizabeth II |  | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Joe Biden |  | |
 |  | URUGUAY | (Montevideo) |  | President Luis Alberto Lacalle Pou |  | |
 |  | VENEZUELA | (Caracas) |  | President Nicolas Maduro |  | |
 |  | VIETNAM | (Hanoi) |  | Nguyen Phu Trong |  | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa |  | |