42 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. ] :
![](flag/AR__-1913-01-01.jpg) | ![](arm/AR__-1900-01-01.jpg) | ARGENTINE | (Buenos Ayres a) | ![](ruler/AR__-1914-08-09.jpg) | President Victorino de la Plaza | ![](logo/WW-AM-SA.jpg) | |
![](flag/AT__-1900-01-01.jpg) | ![](arm/AT__-1900-01-01.jpg) | AUSTRIA | (Vienna) | ![](ruler/AH__-1900-01-01.jpg) | Emperor Francis Joseph I | ![](logo/WW-EA-EU.jpg) | |
![](flag/BE__-1900-01-01.jpg) | ![](arm/BE__-1900-01-01.jpg) | BELGIUM | (Brussels) | ![](ruler/BE__-1909-12-23.jpg) | King Albert I | ![](logo/WW-EA-EU.jpg) | |
![](flag/BG__-1900-01-01.jpg) | ![](arm/BG__-1900-01-01.jpg) | BULGARIA | (Sofia) | ![](ruler/BG__-1900-01-01.jpg) | Tsar Ferdinand I | ![](logo/WW-EA-EU.jpg) | |
![](flag/BO__-1900-01-01.jpg) | ![](arm/BO__-1900-01-01.jpg) | BOLIVIA | (Sucre cj + La Paz eir) | ![](ruler/BO__-1913-08-14.jpg) | President Ismael Montes | ![](logo/WW-AM-SA.jpg) | |
![](flag/BR__-1900-01-01.jpg) | ![](arm/BR__-1900-01-01.jpg) | BRAZIL | (Rio de Janeiro) | ![](ruler/BR__-1910-11-15.jpg) | President Marshal Hermes da Fonseca | ![](logo/WW-AM-SA.jpg) | |
![](flag/CA__-1900-01-01.jpg) | ![](arm/CA__-1907-05-30.jpg) | CANADA | (Ottawa) | ![](ruler/UK__-1910-05-06.jpg) | King George V | ![](logo/WW-AM-NA.jpg) | |
![](flag/CH__-1900-01-01.jpg) | ![](arm/CH__-1900-01-01.jpg) | SWITZERLAND | (Berne lq + Lausanne j) | ![](ruler/CH__-1914-01-01.jpg) | President Hermann Artur Hoffmann | ![](logo/WW-EA-EU.jpg) | |
![](flag/CL__-1912-01-11.jpg) | ![](arm/CL__-1900-01-01.jpg) | CHILI | (Santiago of Chili a + Valparaiso ls) | ![](ruler/CL__-1910-12-23.jpg) | President Ramon Barros Luco | ![](logo/WW-AM-SA.jpg) | |
![](flag/CR__-1906-11-27.jpg) | ![](arm/CR__-1906-11-27.jpg) | COSTA RICA | (San Jose) | ![](ruler/CR__-1914-05-08.jpg) | President Alfredo Gonzalez Flores | ![](logo/WW-AM-NA.jpg) | |
![](flag/CU__-1902-05-20.jpg) | ![](arm/CU__-1906-04-21.jpg) | CUBA | (Havana) | ![](ruler/CU__-1913-05-20.jpg) | President Mario Garcia Menocal | ![](logo/WW-AM-NA.jpg) | |
![](flag/DE__-1900-01-01.jpg) | ![](arm/DE__-1900-01-01.jpg) | GERMANY | (Berlin a) | ![](ruler/DE__-1900-01-01.jpg) | Emperor William II | ![](logo/WW-EA-EU.jpg) | |
![](flag/DK__-1900-01-01.jpg) | ![](arm/DK__-1903-01-02.jpg) | DENMARK | (Copenhagen) | ![](ruler/DK__-1912-05-14.jpg) | King Christian X | ![](logo/WW-EA-EU.jpg) | |
![](flag/EG__-1900-01-01.jpg) | ![](arm/EG__-1903-01-01.jpg) | EGYPT | (Cairo a + Alexandria r) | ![](ruler/EG__-1900-01-01.jpg) | Khedive Abbas II Hilmi Pasha | ![](logo/WW-AF-AF.jpg) | |
![](flag/ES__-1900-01-01.jpg) | ![](arm/ES__-1900-01-01.jpg) | SPAIN | (Madrid) | ![](ruler/ES__-1900-01-01.jpg) | King Alfonso XII | ![](logo/WW-EA-EU.jpg) | |
![](flag/FR__-1900-01-01.jpg) | ![](arm/FR__-1902-01-02.jpg) | FRANCE | (Paris) | ![](ruler/FR__-1913-02-18.jpg) | President Raymond Poincare | ![](logo/WW-EA-EU.jpg) | |
![](flag/GR__-1900-01-01.jpg) | ![](arm/GR__-1900-01-01.jpg) | GREECE | (Athens a) | ![](ruler/GR__-1913-03-18.jpg) | King Constantine I | ![](logo/WW-EA-EU.jpg) | |
![](flag/HT__-1900-01-01.jpg) | ![](arm/HT__-1900-01-01.jpg) | HAYTI | (Port Au Prince) | ![](ruler/HT__-1914-02-08.jpg) | President Oreste Zamor | ![](logo/WW-AM-NA.jpg) | |
![](flag/IN__-1900-01-01.jpg) | ![](arm/IN__-1900-01-01.jpg) | INDIA | (Delhi a + Simla s) | ![](ruler/IN__-1910-11-23.jpg) | Viceroy Charles Hardinge | ![](logo/WW-EA-AS.jpg) | |
![](flag/IR__-1909-07-16.jpg) | ![](arm/IR__-1907-08-31.jpg) | PERSIA | (Tehran) | ![](ruler/IR__-1909-07-16.jpg) | Soltan Ahmad Shah Kajar | ![](logo/WW-EA-AS.jpg) | |
![](flag/IT__-1900-01-01.jpg) | ![](arm/IT__-1900-01-01.jpg) | ITALY | (Rome a) | ![](ruler/IT__-1900-07-29.jpg) | King Victor Emmanuel III | ![](logo/WW-EA-EU.jpg) | |
![](flag/JP__-1900-01-01.jpg) | ![](arm/JP__-1900-01-01.jpg) | JAPAN | (Tokyo) | ![](ruler/JP__-1912-07-30.jpg) | Emperor Yoshihito | ![](logo/WW-EA-AS.jpg) | |
![](flag/LU__-1900-01-01.jpg) | ![](arm/LU__-1900-01-01.jpg) | LUXEMBURG | (Luxembourg a) | ![](ruler/LU__-1912-02-25.jpg) | Grand Duchess Marie-Adelaide | ![](logo/WW-EA-EU.jpg) | |
![](flag/MC__-1900-01-01.jpg) | ![](arm/MC__-1900-01-01.jpg) | MONACO | (Monaco q) | ![](ruler/MC__-1900-01-01.jpg) | Prince Albert I | ![](logo/WW-EA-EU.jpg) | |
![](flag/NI__-1908-09-04.jpg) | ![](arm/NI__-1908-09-05.jpg) | NICARAGUA | (Managua) | ![](ruler/NI__-1911-05-09.jpg) | President Adolfo Diaz Recinos | ![](logo/WW-AM-NA.jpg) | |
![](flag/NL__-1900-01-01.jpg) | ![](arm/NL__-1907-07-10.jpg) | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | ![](ruler/NL__-1900-01-01.jpg) | Queen Wilhelmina | ![](logo/WW-EA-EU.jpg) | |
![](flag/NO__-1905-06-07.jpg) | ![](arm/NO__-1905-12-14.jpg) | NORWAY | (Christiania) | ![](ruler/NO__-1905-11-18.jpg) | King Haakon VII | ![](logo/WW-EA-EU.jpg) | |
![](flag/PA__-1903-12-20.jpg) | ![](arm/PA__-1904-06-04.jpg) | PANAMA | (Panama City) | ![](ruler/PA__-1912-10-01.jpg) | President Belisario Porras Barahona | ![](logo/WW-AM-SA.jpg) | |
![](flag/PE__-1900-01-01.jpg) | ![](arm/PE__-1900-01-01.jpg) | PERU | (Lima) | ![](ruler/PE__-1914-02-04.jpg) | President Oscar Raymundo Benavides | ![](logo/WW-AM-SA.jpg) | |
![](flag/PT__-1911-06-30.jpg) | ![](arm/PT__-1911-06-30.jpg) | PORTUGAL | (Lisbon) | ![](ruler/PT__-1911-08-24.jpg) | President Manuel de Arriaga | ![](logo/WW-EA-EU.jpg) | |
![](flag/RO__-1900-01-01.jpg) | ![](arm/RO__-1900-01-01.jpg) | RUMANIA | (Bucharest) | ![](ruler/RO__-1900-01-01.jpg) | King Carol I | ![](logo/WW-EA-EU.jpg) | |
![](flag/RS__-1900-01-01.jpg) | ![](arm/RS__-1900-01-01.jpg) | SERVIA | (Belgrade) | ![](ruler/RS__-1914-07-05.jpg) | Regent Prince Alexander Karageorgevich | ![](logo/WW-EA-EU.jpg) | |
![](flag/RU__-1900-01-01.jpg) | ![](arm/RU__-1900-01-01.jpg) | RUSSIA | (Saint Petersburg) | ![](ruler/RU__-1900-01-01.jpg) | Tsar Nicholas II | ![](logo/WW-EA-EU.jpg) | |
![](flag/SE__-1905-06-07.jpg) | ![](arm/SE__-1905-11-17.jpg) | SWEDEN | (Stockholm) | ![](ruler/SE__-1907-12-08.jpg) | King Gustav V | ![](logo/WW-EA-EU.jpg) | |
![](flag/T1__-1900-01-01.jpg) | ![](arm/T1__-1912-03-30.jpg) | CITY OF TANGIER | (Tangier) | ![](ruler/WW__-1900-01-01.jpg) | | ![](logo/WW-AF-AF.jpg) | |
![](flag/TH__-1900-01-01.jpg) | ![](arm/TH__-1910-10-23.jpg) | SIAM | (Bankok) | ![](ruler/TH__-1910-10-23.jpg) | King Rama VI Vajiravudh | ![](logo/WW-EA-AS.jpg) | |
![](flag/TN__-1900-01-01.jpg) | ![](arm/TN__-1906-05-11.jpg) | TUNISIA | (Tunis) | ![](ruler/TN__-1906-05-11.jpg) | Muhammad V. An-Nasir Bey | ![](logo/WW-AF-AF.jpg) | |
![](flag/TR__-1900-01-01.jpg) | ![](arm/TR__-1900-01-01.jpg) | OTTOMAN TURKEY | (Constantinople a) | ![](ruler/TR__-1909-04-27.jpg) | Sultan Mehmet V. Reshat Gazi | ![](logo/WW-EA-EU.jpg) | |
![](flag/UK__-1900-01-01.jpg) | ![](arm/UK__-1900-01-01.jpg) | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | ![](ruler/UK__-1910-05-06.jpg) | King George V | ![](logo/WW-EA-EU.jpg) | |
![](flag/US__-1912-07-04.jpg) | ![](arm/US__-1900-01-01.jpg) | AMERICA | (Washington-District of Columbia) | ![](ruler/US__-1913-03-04.jpg) | President Woodrow Wilson | ![](logo/WW-AM-NA.jpg) | |
![](flag/UY__-1900-01-01.jpg) | ![](arm/UY__-1900-01-01.jpg) | URUGUAY | (Montevideo) | ![](ruler/UY__-1911-03-01.jpg) | President Jose Batlle | ![](logo/WW-AM-SA.jpg) | |
![](flag/VN__-1900-01-01.jpg) | ![](arm/VN__-1906-01-01.jpg) | FRENCH INDOCHINA | (Hanoi) | ![](ruler/WW__-1900-01-01.jpg) | | ![](logo/WW-EA-AS.jpg) | |