46 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 | | |
| | BANGLADESH | (Dhaka a) | | President Abdul Hamid | | |
| | BURUNDI | (Gitega a + Bujumbura dnq) | | President Pierre Nkurunziza | | |
| | BENIN | (Porto Novo a + Cotonou ilnqr) | | President Patrice Talon | | |
| | BRAZIL | (Brasilia) | | President Jair Bolsonaro | | |
| | BHUTAN | (Thimphu a + Paro s) | | King Jigme Khesar Namgyal Wangchuk | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | CENTRAL-AFRICA | (Bangui) | | President Faustin-Archange Touadera | | |
| | CONGO-BRAZZAVILLE | (Brazzaville a + Pointe Noire n) | | President Denis Sassou-Nguesso | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Sebastian Pinera | | |
| | CAMEROON | (Yaounde) | | President Paul Biya | | |
| | CHINA | (Beijing) | | Xi Jinping | | |
| | COLOMBIA | (Bogota) | | President Ivan Duque Marquez | | |
| | CUBA | (Havana) | | Raul Castro | | |
| | ECUADOR | (San Francisco of Quito) | | President Lenin Moreno | | |
| | ERITREA | (Asmara) | | President Isaias Afewerki | | |
| | ETHIOPIA | (Addis Ababa) | | President Sahle-Work Zewde | | |
| | GHANA | (Accra) | | President Nana Addo Dankwa Akufo-Addo | | |
| | 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 | | |
| | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
| | KENYA | (Nairobi) | | President Uhuru Kenyatta | | |
| | CAMBODIA | (Phnom Penh) | | King Norodom Sihamoni | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Gotabaya Rajapaksa | | |
| | LIBERIA | (Monrovia) | | President George Weah | | |
| | MADAGASCAR | (Tananarive) | | President Andry Rajoelina | | |
| | MYANMAR | (Naypyidaw a + Rangoon bn) | | President Win Myint | | |
| | MALAWI | (Lilongwe) | | President Peter Mutharika | | |
| | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) | | Sultan Abdullah Shah | | |
| | MOZAMBIQUE | (Maputo) | | President Filipe Nyusi | | |
| | NIGERIA | (Abuja a) | | President Muhammadu Buhari | | |
| | NEPAL | (Kathmandu) | | President Bidhya Devi Bhandari | | |
| | PANAMA | (Panama City) | | President Laurentino Cortizo Cohen | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Martin Vizcarra | | |
| | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) | | President Rodrigo Duterte | | |
| | RWANDA | (Kigali) | | President Paul Kagame | | |
| | SIERRA LEONE | (Freetown) | | President Julius Maada Wonie Bio | | |
| | SENEGAL | (Dakar) | | President Macky Sall | | |
| | SURINAME | (Paramaribo) | | President Desi Bouterse | | |
| | TOGO | (Lome) | | President Faure Gnassingbe | | |
| | THAILAND | (Bangkok) | | King Rama X. Vajiralongkorn | | |
| | TONGA | (Nukualofa) | | King Ahoeitu Tupou VI | | |
| | TANZANIA | (Dodoma City al + Dar Es Salaam jnqr) | | President John Magufuli | | |
| | UGANDA | (Kampala a + Entebbe r) | | President Yoweri Museveni | | |
| | VENEZUELA | (Caracas) | | President Nicolas Maduro | | |
| | VIETNAM | (Hanoi) | | Nguyen Phu Trong | | |