56 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) |  | David Hurley |  | |
 |  | BELGIUM | (Brussels) |  | King Philippe |  | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev |  | |
 |  | BRAZIL | (Brasilia) |  | President Luiz Inacio Lula da Silva |  | |
 |  | BELARUS | (Minsk) |  | President Alexander Lukashenko |  | |
 |  | CANADA | (Ottawa) |  | King Charles III |  | |
 |  | SWITZERLAND | (Berne q + Lausanne j) |  | President Alain Berset |  | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Gabriel Boric |  | |
 |  | CHINA | (Beijing) |  | Xi Jinping |  | |
 |  | COLOMBIA | (Bogota) |  | President Gustavo Petro |  | |
 |  | COSTA RICA | (San Jose) |  | President Rodrigo Chaves Robles |  | |
 |  | CUBA | (Havana) |  | Miguel Diaz-Canel |  | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Petr Pavel |  | |
 |  | GERMANY | (Berlin ar + Bonn lr + Carlsruhe d) |  | Bundespresident Frank-Walter Steinmeier |  | |
 |  | DENMARK | (Copenhagen) |  | Queen Margaret II |  | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Guillermo Lasso |  | |
 |  | ESTONIA | (Tallinn a + Tartu b) |  | President Alar Karis |  | |
 |  | SPAIN | (Madrid) |  | King Philip VI |  | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Sauli Niinisto |  | |
 |  | FRANCE | (Paris) |  | President Emmanuel Macron |  | |
 |  | GREECE | (Athens a) |  | President Ekaterini Sakellaropoulou |  | |
 |  | GUATEMALA | (Guatemala City) |  | President Alejandro Giammattei |  | |
 |  | HUNGARY | (Budapest) |  | President Katalin Novak |  | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Draupadi Murmu |  | |
 |  | ICELAND | (Reykjavik a + Alftanes r) |  | President Gudhni Thorlacius Johannesson |  | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella |  | |
 |  | JAPAN | (Tokyo) |  | Emperor Naruhito |  | |
 |  | NORTH KOREA | (Pyongyang a) |  | Kim Jong-Un |  | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b) |  | President Yoon Suk-Yeol |  | |
 |  | KAZAKHSTAN | (Astana a) |  | President Kasym-Zhomart Tokayev |  | |
 |  | MONACO | (Monaco q) |  | Prince Albert II |  | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Ukhnaagiin Khurelsukh |  | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Sultan Abdullah Shah |  | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | King Willem-Alexander |  | |
 |  | NORWAY | (Oslo) |  | King Harald V |  | |
 |  | NEW ZEALAND | (Wellington) |  | King Charles III |  | |
 |  | PERU | (Lima a + Arequipa d + Cusco h) |  | President Dina Boluarte |  | |
 |  | PAPUA NEW GUINEA | (Port Moresby) |  | King Charles III |  | |
 |  | PAKISTAN | (Islamabad) |  | President Arif Alvi |  | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda |  | |
 |  | PORTUGAL | (Lisbon) |  | President Marcelo Rebelo de Sousa |  | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis |  | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d) |  | President Vladimir Putin |  | |
 |  | 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 |  | |
 |  | TURKIYE | (Ankara a + Marmaris s) |  | President Recep Tayyip Erdogan |  | |
 |  | UKRAINE | (Kyiv) |  | President Volodymyr Zelensky |  | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) |  | King Charles III |  | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Joe Biden |  | |
 |  | URUGUAY | (Montevideo) |  | President Luis Alberto Lacalle Pou |  | |
 |  | VENEZUELA | (Caracas) |  | President Nicolas Maduro |  | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa |  | |