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. ] :
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Alberto Fernandez |  | |
 |  | AUSTRIA | (Vienna) |  | President Alexander Van der Bellen |  | |
 |  | AUSTRALIA | (Canberra al + Melbourne r + Sydney r) |  | David Hurley |  | |
 |  | BELGIUM | (Brussels al + Bruges j) |  | King Philippe |  | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev |  | |
 |  | BOLIVIA | (Sucre cj + La Paz eimr) |  | President Luis Arce |  | |
 |  | BRAZIL | (Brasilia a + Rio de Janeiro m) |  | President Jair Bolsonaro |  | |
 |  | CANADA | (Ottawa) |  | Mary Simon |  | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Ignazio Cassis |  | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Gabriel Boric |  | |
 |  | CHINA | (Beijing) |  | Xi Jinping |  | |
 |  | COLOMBIA | (Bogota) |  | President Ivan Duque Marquez |  | |
 |  | CUBA | (Havana) |  | Miguel Diaz-Canel |  | |
 |  | CYPRUS | (Nicosia) |  | President Nicos Anastasiades |  | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Milos Zeman |  | |
 |  | GERMANY | (Berlin ar + Bonn lmr + Karlsruhe d) |  | Bundespresident Frank-Walter Steinmeier |  | |
 |  | DENMARK | (Copenhagen as + Hillerod r) |  | Queen Margaret II |  | |
 |  | 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 a + Bormes-Les-Mimosas s) |  | President Emmanuel Macron |  | |
 |  | GREECE | (Athens a) |  | President Ekaterini Sakellaropoulou |  | |
 |  | CROATIA | (Zagreb) |  | President Zoran Milanovich |  | |
 |  | HUNGARY | (Budapest a) |  | President Katalin Novak |  | |
 |  | INDONESIA | (Jakarta akn + Nusantara f + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Joko Widodo |  | |
 |  | IRELAND | (Dublin) |  | President Michael Daniel Higgins |  | |
 |  | ISRAEL | (Jerusalem aruy + Tel Aviv-Jaffa imn) |  | President Isaac Herzog |  | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w + Mysore r) |  | President Ram Nath Kovind |  | |
 |  | IRAQ | (Baghdad a + Kerbala y + Najaf y) |  | President Barham Salih |  | |
 |  | IRAN | (Tehran a + Qum y) |  | Supreme Leader Ayatollah Ali Khamenei |  | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella |  | |
 |  | JAPAN | (Tokyo an + Kyoto r + Nasu s + Shimoda s + Hayama w) |  | Emperor Naruhito |  | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b + Gyeryong m) |  | President Yoon Suk-Yeol |  | |
 |  | LITHUANIA | (Vilnius) |  | President Gitanas Nauseda |  | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duke Henri |  | |
 |  | LATVIA | (Riga) |  | President Egils Levits |  | |
 |  | MALTA | (Valletta a + Attard r + Siggiewi s) |  | President George Vella |  | |
 |  | MEXICO | (Mexico City) |  | President Andres Manuel Lopez Obrador |  | |
 |  | NIGERIA | (Abuja a + Lagos kmn) |  | President Muhammadu Buhari |  | |
 |  | NICARAGUA | (Managua) |  | President Daniel Ortega |  | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlmr + Wassenaar r) |  | King Willem-Alexander |  | |
 |  | NORWAY | (Oslo) |  | King Harald V |  | |
 |  | PAKISTAN | (Islamabad a + Lahore ky + Rawalpindi m) |  | President Arif Alvi |  | |
 |  | POLAND | (Warsaw ac) |  | President Andrzej Duda |  | |
 |  | PORTUGAL | (Lisbon) |  | President Marcelo Rebelo de Sousa |  | |
 |  | PARAGUAY | (Assumption) |  | President Mario Abdo Benitez |  | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis |  | |
 |  | SERBIA | (Belgrade) |  | President Alexandar Vuchich |  | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d + Sochi s + Valdai s) |  | President Vladimir Putin |  | |
 |  | SAUDI ARABIA | (Riyadh a + Mecca y) |  | King Salman |  | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav |  | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor |  | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Zuzana Caputova |  | |
 |  | SAN MARINO | (San Marino) |  | Captains Regent |  | |
 |  | TUNISIA | (Tunis a + Bardois df) |  | President Kais Saied |  | |
 |  | TURKIYE | (Ankara a + Marmaris s) |  | President Recep Tayyip Erdogan |  | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) |  | Queen Elizabeth II |  | |
 |  | AMERICA | (Washington-District of Columbia a + Arlington m) |  | President Joe Biden |  | |
 |  | URUGUAY | (Montevideo) |  | President Luis Alberto Lacalle Pou |  | |
 |  | HOLY SEE | (Vatican City a + Pontifical Palace of Castel Gandolfo s) |  | Pope Francis |  | |
 |  | VENEZUELA | (Caracas) |  | President Nicolas Maduro |  | |
 |  | SOUTH AFRICA | (Pretoria aem + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa |  | |