25 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. ] :
| | AUSTRALIA | (Canberra) | | David Hurley | | |
| | BARBADOS | (Bridgetown) | | Queen Elizabeth II | | |
| | BELGIUM | (Brussels) | | King Philippe | | |
| | BOTSWANA | (Gaborone) | | President Mokgweetsi Masisi | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Guy Parmelin | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Sebastian Pinera | | |
| | COSTA RICA | (San Jose) | | President Carlos Alvarado Quesada | | |
| | CABO VERDE | (Praia) | | President Jorge Carlos Fonseca | | |
| | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) | | Bundespresident Frank-Walter Steinmeier | | |
| | DENMARK | (Copenhagen) | | Queen Margaret II | | |
| | SPAIN | (Madrid) | | King Philip VI | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Sauli Niinisto | | |
| | GHANA | (Accra) | | President Nana Addo Dankwa Akufo-Addo | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Ram Nath Kovind | | |
| | MAURITIUS | (Port Louis a + Reduit in Moka r) | | President Prithvirajsing Pradeep Roopun | | |
| | MEXICO | (Mexico City) | | President Andres Manuel Lopez Obrador | | |
| | NAMIBIA | (Windhoek) | | President Hage Geingob | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | King Willem-Alexander | | |
| | NORWAY | (Oslo) | | King Harald V | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Francisco Sagasti | | |
| | PORTUGAL | (Lisbon) | | President Marcelo Rebelo de Sousa | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | URUGUAY | (Montevideo) | | President Luis Alberto Lacalle Pou | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) | | President Cyril Ramaphosa | | |