113 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. ] :
| | EURASIAN UNION | (Moscow) | | Mikhail Myasnikovich (by) | | |
| | ANDES | (Lima + Bogota) | | SG Jorge Hernando Pedraza Gutierrez (co) | | |
| | UNITED ARAB EMIRATES | (Abu Dhabi ar) | | President Sheikh Khalifa bin Zayed Al Nahyan | | |
| | AFGHANISTAN | (Kabul) | | President Ashraf Ghani | | |
| | ANGOLA | (Luanda) | | President Joao Manuel Goncalves Lourenco | | |
| | AFRICAN UNION | (Addis Ababa o + Midrand l + Arusha j + Dar Es Salaam kn) | | Moussa Faki Mahamat (td) | | |
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Alberto Fernandez | | |
| | AUSTRIA | (Vienna) | | President Alexander Van der Bellen | | |
| | BELGIUM | (Brussels) | | King Philippe | | |
| | BURKINA FASO | (Ouagadougou) | | President Roch Marc Christian Kabore | | |
| | BULGARIA | (Sofia) | | President Rumen Radev | | |
| | BURUNDI | (Gitega a + Bujumbura dnq) | | President Evariste Ndayishimiye | | |
| | BENIN | (Porto Novo a + Cotonou ilnqr) | | President Patrice Talon | | |
| | BRAZIL | (Brasilia) | | President Jair Bolsonaro | | |
| | BOTSWANA | (Gaborone) | | President Mokgweetsi Masisi | | |
| | CONGO-KINSHASA | (Kinshasa a) | | President Felix Tshisekedi | | |
| | CENTRAL-AFRICA | (Bangui) | | President Faustin-Archange Touadera | | |
| | CONGO-BRAZZAVILLE | (Brazzaville a + Pointe Noire n) | | President Denis Sassou-Nguesso | | |
| | COTE D´IVOIRE | (Yamoussoukro a + Abidjan dln + Cocody b) | | President Alassane Ouattara | | |
| | CAMEROON | (Yaounde) | | President Paul Biya | | |
| | COLOMBIA | (Bogota) | | President Ivan Duque Marquez | | |
| | COSTA RICA | (San Jose) | | President Carlos Alvarado Quesada | | |
| | CUBA | (Havana) | | Raul Castro | | |
| | CABO VERDE | (Praia) | | President Jorge Carlos Fonseca | | |
| | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) | | Bundespresident Frank-Walter Steinmeier | | |
| | DJIBOUTI | (Djibouti) | | President Ismail Omar Guelleh | | |
| | DENMARK | (Copenhagen) | | Queen Margaret II | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | State President Abdelmadjid Tebboune | | |
| | ECUADOR | (San Francisco of Quito) | | President Lenin Moreno | | |
| | EGYPT | (Cairo a + Alexandria r + Almasa New Capital City f) | | President Abdel Fattah el-Sisi | | |
| | SPAIN | (Madrid) | | King Philip VI | | |
| | ETHIOPIA | (Addis Ababa) | | President Sahle-Work Zewde | | |
| | EUROPEAN UNION | (Brussels a + Luxembourg j + Strasbourg l) | | President Ursula von der Leyen | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Sauli Niinisto | | |
| | GABON | (Libreville) | | President Ali Ben Bongo Ondimba | | |
| | GHANA | (Accra) | | President Nana Addo Dankwa Akufo-Addo | | |
| | THE GAMBIA | (Banjul) | | President Adama Barrow | | |
| | GUINEA | (Conakry) | | President Alpha Conde | | |
| | EQUATORIAL GUINEA | (City of Peace fl + Malabo a) | | President Teodoro Obiang Nguema Mbasogo | | |
| | GREECE | (Athens a) | | President Ekaterini Sakellaropoulou | | |
| | GUATEMALA | (Guatemala City) | | President Alejandro Giammattei | | |
| | GUINEA-BISSAU | (Bissau) | | President Umaro Sissoco Embalo | | |
| | HONDURAS | (Tegucigalpa a + Comayaguela c) | | President Juan Orlando Hernandez | | |
| | HAITI | (Port Au Prince) | | President Jovenel Moise | | |
| | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) | | President Joko Widodo | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Ram Nath Kovind | | |
| | IRELAND | (Dublin) | | President Michael Daniel Higgins | | |
| | IRAQ | (Baghdad) | | President Barham Salih | | |
| | ITALY | (Rome a) | | President Sergio Mattarella | | |
| | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
| | JAPAN | (Tokyo) | | Emperor Naruhito | | |
| | KENYA | (Nairobi) | | President Uhuru Kenyatta | | |
| | COMOROS | (Moroni) | | President Azali Assoumani | | |
| | NORTH KOREA | (Pyongyang a) | | Kim Jong-Un | | |
| | SOUTH KOREA | (Seoul adknr + Sejong b) | | President Moon Jae-In | | |
| | KUWAIT | (Kuwait City) | | Emir Sheikh Nawaf Al Ahmad Al Jabir Al Sabah | | |
| | COMESA | (Lusaka) | | SG Chileshe Mpundu Kapwepwe (zm) | | |
| | LAOS | (Vientiane) | | Boungnang Vorachith | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Gotabaya Rajapaksa | | |
| | LESOTHO | (Maseru) | | King Letsie III | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duke Henri | | |
| | MOROCCO | (Rabat a) | | King Muhammad VI | | |
| | MADAGASCAR | (Tananarive) | | President Andry Rajoelina | | |
| | MALI | (Bamako) | | President Bah Ndaw | | |
| | MYANMAR | (Naypyidaw a + Rangoon bn) | | President Win Myint | | |
| | MAURITANIA | (Nouakchott) | | President Mohamed Ould Ghazouani | | |
| | MEXICO | (Mexico City) | | President Andres Manuel Lopez Obrador | | |
| | MALDIVES | (Male) | | President Ibrahim Mohamed Solih | | |
| | MALAWI | (Lilongwe) | | President Lazarus Chakwera | | |
| | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) | | Sultan Abdullah Shah | | |
| | MOZAMBIQUE | (Maputo) | | President Filipe Nyusi | | |
| | NIGER | (Niamey) | | President Mahamadou Issoufou | | |
| | NIGERIA | (Abuja a) | | President Muhammadu Buhari | | |
| | NICARAGUA | (Managua) | | President Daniel Ortega | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | King Willem-Alexander | | |
| | NORWAY | (Oslo) | | King Harald V | | |
| | NEPAL | (Kathmandu) | | President Bidhya Devi Bhandari | | |
| | EAST AFRICA | (Arusha) | | SG Liberat Mfumukeko (bi) | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Francisco Sagasti | | |
| | 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 | | |
| | PORTUGAL | (Lisbon) | | President Marcelo Rebelo de Sousa | | |
| | SOUTHERN AFRICA | (Gaborone) | | Secretary Dr Stergomena Lawrence Tax (tz) | | |
| | SERBIA | (Belgrade) | | President Alexandar Vuchich | | |
| | RUSSIA | (Moscow a + Saint Petersburg d) | | President Vladimir Putin | | |
| | RWANDA | (Kigali) | | President Paul Kagame | | |
| | SAUDI ARABIA | (Riyadh) | | King Salman | | |
| | SUDAN | (Khartoum) | | Abdel-Fatah al-Burhan Abdelrahman | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | SINGAPORE | (Singapore) | | President Halimah Yacob | | |
| | SIERRA LEONE | (Freetown) | | President Julius Maada Wonie Bio | | |
| | SENEGAL | (Dakar) | | President Macky Sall | | |
| | SOMALIA | (Mogadishu-Hamar Weyne) | | President Mohamed Abdullahi Mohamed Farmajo | | |
| | SAO TOME AND PRINCIPE | (Sao Tome) | | President Evaristo Carvalho | | |
| | SYRIA | (Damascus) | | President Bashar Al-Assad | | |
| | ESWATINI | (Mbabane aj + Lobamba lr) | | King Mswati III | | |
| | CHAD | (Ndjamena) | | President Idriss Deby Itno | | |
| | TOGO | (Lome) | | President Faure Gnassingbe | | |
| | THAILAND | (Bangkok) | | King Rama X. Vajiralongkorn | | |
| | TUNISIA | (Tunis a + Bardois df) | | President Kais Saied | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Paula-Mae Weeke | | |
| | TANZANIA | (Dodoma City al + Dar Es Salaam jnqr) | | President John Magufuli | | |
| | UGANDA | (Kampala a + Entebbe r) | | President Yoweri Museveni | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
| | WEST AFRICAN STATES | (Abuja) | | President Jean-Claude Kassi Brou (ci) | | |
| | VENEZUELA | (Caracas) | | President Nicolas Maduro | | |
| | SAMOA | (Apia) | | Vaaletoa Sualauvi II | | |
| | CARICOM | (Georgetown) | | SG Irwin Larocque (dm) | | |
| | WAEMU | (Ouagadougou) | | Abdallah Boureima (ne) | | |
| | YEMEN | (Riyadh x) | | President Abd Rabbuh Mansur Hadi | | |
| | ZAMBIA | (Lusaka) | | President Edgar Lungu | | |
| | ZIMBABWE | (Harare) | | President Emmerson Mnangagwa | | |