94 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 | | |
| | ALBANIA | (Tirana) | | President Ilir Meta | | |
| | ANGOLA | (Luanda) | | President Joao Manuel Goncalves Lourenco | | |
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Alberto Fernandez | | |
| | AUSTRALIA | (Canberra) | | David Hurley | | |
| | BANGLADESH | (Dhaka a) | | President Abdul Hamid | | |
| | BELGIUM | (Brussels) | | King Philippe | | |
| | BULGARIA | (Sofia) | | President Rumen Radev | | |
| | BAHRAIN | (Manamah) | | King Sheikh Hamad bin Isa Al Khalifah | | |
| | BRUNEI DARUSSALAM | (Bandar Seri Begawan) | | Sultan Hassanal Bolkiah | | |
| | BRAZIL | (Brasilia) | | President Jair Bolsonaro | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | CONGO-KINSHASA | (Kinshasa a) | | President Felix Tshisekedi | | |
| | 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 | | |
| | CUBA | (Havana) | | Miguel Diaz-Canel | | |
| | CYPRUS | (Nicosia) | | President Nicos Anastasiades | | |
| | GERMANY | (Berlin ar + Bonn lr + Karlsruhe 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) | | State 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 | | |
| | FIJI | (Suva) | | President Ratu Wiliame Katonivere | | |
| | 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 | | |
| | GUYANA | (Georgetown) | | President Mohamed Irfaan Ali | | |
| | 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 | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Ram Nath Kovind | | |
| | IRAQ | (Baghdad) | | President Barham Salih | | |
| | IRAN | (Tehran) | | Supreme Leader Ayatollah Ali Khamenei | | |
| | ICELAND | (Reykjavik a + Alftanes r) | | President Gudhni Thorlacius Johannesson | | |
| | ITALY | (Rome a) | | President Sergio Mattarella | | |
| | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
| | JAPAN | (Tokyo) | | Emperor Naruhito | | |
| | KENYA | (Nairobi) | | President Uhuru Kenyatta | | |
| | NORTH KOREA | (Pyongyang a) | | Kim Jong-Un | | |
| | 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 + Baabda r + Yarze m + Hadeth d) | | President Michel Aoun | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Gotabaya Rajapaksa | | |
| | LATVIA | (Riga) | | President Egils Levits | | |
| | MOROCCO | (Rabat a) | | King Muhammad VI | | |
| | MONACO | (Monaco q) | | Prince Albert II | | |
| | MONTENEGRO | (Podgoritsa a + Cetinje hr) | | President Milo Djukanovich | | |
| | MYANMAR | (Naypyidaw a + Rangoon bn) | | General Min Aung Hlaing | | |
| | MALTA | (Valletta a + Attard r + Siggiewi s) | | President George Vella | | |
| | MAURITIUS | (Port Louis a + Reduit in Moka r) | | President Prithvirajsing Pradeep Roopun | | |
| | MEXICO | (Mexico City) | | President Andres Manuel Lopez Obrador | | |
| | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) | | Sultan Abdullah Shah | | |
| | MOZAMBIQUE | (Maputo) | | President Filipe Nyusi | | |
| | NIGERIA | (Abuja a) | | 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 | | |
| | OMAN | (Muscat) | | Sultan Haitham bin Tarik | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Pedro Castillo | | |
| | PAPUA NEW GUINEA | (Port Moresby) | | Queen Elizabeth II | | |
| | 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 | | |
| | QATAR | (Doha) | | Emir Sheikh Tamim bin Hamad Al Thani | | |
| | ROMANIA | (Bucharest) | | President Klaus Iohannis | | |
| | RUSSIA | (Moscow a + Saint Petersburg d) | | President Vladimir Putin | | |
| | SAUDI ARABIA | (Riyadh) | | King Salman | | |
| | SOLOMON ISLANDS | (Honiara) | | Queen Elizabeth II | | |
| | SEYCHELLES | (Port Victoria) | | President Wavel Ramkalawan | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | SINGAPORE | (Singapore) | | President Halimah Yacob | | |
| | SLOVENIA | (Ljubljana) | | President Borut Pahor | | |
| | SURINAME | (Paramaribo) | | President Chan Santokhi | | |
| | THAILAND | (Bangkok) | | King Rama X. Vajiralongkorn | | |
| | TUNISIA | (Tunis a + Bardois df) | | President Kais Saied | | |
| | TONGA | (Nukualofa) | | King Ahoeitu Tupou VI | | |
| | TURKIYE | (Ankara a + Marmaris s) | | President Recep Tayyip Erdogan | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Paula-Mae Weeke | | |
| | 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 | | |