40 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 Ayres a) | | President Roque Saenz Pena | | |
| | AUSTRIA | (Vienna) | | Emperor Francis Joseph I | | |
| | BELGIUM | (Brussels) | | King Albert I | | |
| | BULGARIA | (Sofia) | | Tsar Ferdinand I | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Ismael Montes | | |
| | BRAZIL | (Rio de Janeiro) | | President Marshal Hermes da Fonseca | | |
| | CANADA | (Ottawa) | | King George V | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Eduard Mueller | | |
| | CHILI | (Santiago of Chili a + Valparaiso ls) | | President Ramon Barros Luco | | |
| | COSTA RICA | (San Jose) | | President Ricardo Jimenez Oreamuno | | |
| | CUBA | (Havana) | | President Mario Garcia Menocal | | |
| | GERMANY | (Berlin a) | | Emperor William II | | |
| | DENMARK | (Copenhagen) | | King Christian X | | |
| | EGYPT | (Cairo a + Alexandria r) | | Khedive Abbas II Hilmi Pasha | | |
| | SPAIN | (Madrid) | | King Alfonso XII | | |
| | FRANCE | (Paris) | | President Raymond Poincare | | |
| | HAYTI | (Port Au Prince) | | President Michel Oreste-Lafontant | | |
| | INDIA | (Delhi a + Simla s) | | Viceroy Charles Hardinge | | |
| | PERSIA | (Tehran) | | Soltan Ahmad Shah Kajar | | |
| | ITALY | (Rome a) | | King Victor Emmanuel III | | |
| | JAPAN | (Tokyo) | | Emperor Yoshihito | | |
| | LUXEMBURG | (Luxembourg a) | | Grand Duchess Marie-Adelaide | | |
| | MONACO | (Monaco q) | | Prince Albert I | | |
| | NICARAGUA | (Managua) | | President Adolfo Diaz Recinos | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Wilhelmina | | |
| | NORWAY | (Christiania) | | King Haakon VII | | |
| | PANAMA | (Panama City) | | President Belisario Porras Barahona | | |
| | PERU | (Lima) | | President Guillermo Billinghurst | | |
| | PORTUGAL | (Lisbon) | | President Manuel de Arriaga | | |
| | RUMANIA | (Bucharest) | | King Carol I | | |
| | SERVIA | (Belgrade) | | King Peter I. Karageorgevich | | |
| | RUSSIA | (Saint Petersburg) | | Tsar Nicholas II | | |
| | SWEDEN | (Stockholm) | | King Gustav V | | |
| | CITY OF TANGIER | (Tangier) | | | | |
| | SIAM | (Bankok) | | King Rama VI Vajiravudh | | |
| | TUNISIA | (Tunis) | | Muhammad V. An-Nasir Bey | | |
| | OTTOMAN TURKEY | (Constantinople a) | | Sultan Mehmet V. Reshat Gazi | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | King George V | | |
| | AMERICA | (Washington-District of Columbia) | | President Woodrow Wilson | | |
| | URUGUAY | (Montevideo) | | President Jose Batlle | | |