36 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 + Olivos b) | ![](ruler/AR__-1922-10-12.jpg) | President Marcelo Torcuato de Alvear | ![](logo/WW-AM-SA.jpg) | |
![](flag/AT__-1919-10-21.jpg) | ![](arm/AT__-1919-05-08.jpg) | AUSTRIA | (Vienna) | ![](ruler/AT__-1920-12-09.jpg) | President Michael Hainisch | ![](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__-1927-01-02.jpg) | BULGARIA | (Sofia) | ![](ruler/BG__-1918-10-03.jpg) | Tsar Boris III the Unifier | ![](logo/WW-EA-EU.jpg) | |
![](flag/BR__-1900-01-01.jpg) | ![](arm/BR__-1900-01-01.jpg) | BRAZIL | (Rio de Janeiro) | ![](ruler/BR__-1926-11-15.jpg) | President Washington Luiz | ![](logo/WW-AM-SA.jpg) | |
![](flag/CA__-1922-04-26.jpg) | ![](arm/CA__-1923-01-01.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__-1927-01-01.jpg) | President Giuseppe Motta | ![](logo/WW-EA-EU.jpg) | |
![](flag/CL__-1912-01-11.jpg) | ![](arm/CL__-1900-01-01.jpg) | CHILE | (Santiago of Chile a + Valparaiso ls) | ![](ruler/CL__-1927-05-10.jpg) | President Carlos Ibanez del Campo | ![](logo/WW-AM-SA.jpg) | |
![](flag/CS__-1920-03-30.jpg) | ![](arm/CS__-1918-10-28.jpg) | CZECHOSLOVAKIA | (Prague a + Lany s) | ![](ruler/CS__-1918-11-14.jpg) | President Tomas Garrigue Masaryk | ![](logo/WW-EA-EU.jpg) | |
![](flag/DE__-1919-08-14.jpg) | ![](arm/DE__-1920-01-10.jpg) | GERMANY | (Berlin a) | ![](ruler/DE__-1925-05-12.jpg) | Reichpresident Paul von Hindenburg | ![](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/EC__-1900-12-05.jpg) | ![](arm/EC__-1900-10-31.jpg) | ECUADOR | (San Francisco of Quito) | ![](ruler/EC__-1926-04-01.jpg) | President Isidro Ayora | ![](logo/WW-AM-SA.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/FI__-1920-02-12.jpg) | ![](arm/FI__-1919-07-17.jpg) | FINLAND | (Helsinki a + Kultaranta s) | ![](ruler/FI__-1925-03-01.jpg) | President Lauri Kristian Relander | ![](logo/WW-EA-EU.jpg) | |
![](flag/FR__-1900-01-01.jpg) | ![](arm/FR__-1902-01-02.jpg) | FRANCE | (Paris) | ![](ruler/FR__-1924-06-13.jpg) | President Gaston Doumergue | ![](logo/WW-EA-EU.jpg) | |
![](flag/HU__-1920-03-01.jpg) | ![](arm/HU__-1919-08-07.jpg) | HUNGARY | (Budapest a) | ![](ruler/HU__-1920-03-01.jpg) | Regent Miklos Horthy de Nagybanya | ![](logo/WW-EA-EU.jpg) | |
![](flag/IE__-1919-01-21.jpg) | ![](arm/IE__-1926-01-01.jpg) | IRELAND | (Dublin) | ![](ruler/IE__-1922-12-06.jpg) | Tim Healy | ![](logo/WW-EA-EU.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__-1926-12-25.jpg) | Emperor Hirohito | ![](logo/WW-EA-AS.jpg) | |
![](flag/MX__-1918-08-22.jpg) | ![](arm/MX__-1918-08-22.jpg) | MEXICO | (Mexico City) | ![](ruler/MX__-1924-12-01.jpg) | President Plutarco Elias Calles | ![](logo/WW-AM-NA.jpg) | |
![](flag/NI__-1908-09-04.jpg) | ![](arm/NI__-1908-09-05.jpg) | NICARAGUA | (Managua) | ![](ruler/NI__-1926-11-14.jpg) | President Adolfo Diaz Recinos | ![](logo/WW-AM-NA.jpg) | |
![](flag/NO__-1905-06-07.jpg) | ![](arm/NO__-1905-12-14.jpg) | NORWAY | (Oslo) | ![](ruler/NO__-1905-11-18.jpg) | King Haakon VII | ![](logo/WW-EA-EU.jpg) | |
![](flag/PE__-1900-01-01.jpg) | ![](arm/PE__-1925-02-25.jpg) | PERU | (Lima) | ![](ruler/PE__-1919-07-04.jpg) | President Augusto Leguia | ![](logo/WW-AM-SA.jpg) | |
![](flag/PL__-1919-08-01.jpg) | ![](arm/PL__-1918-11-22.jpg) | POLAND | (Warsaw a) | ![](ruler/PL__-1926-06-13.jpg) | Jozef Pilsudski | ![](logo/WW-EA-EU.jpg) | |
![](flag/PT__-1911-06-30.jpg) | ![](arm/PT__-1911-06-30.jpg) | PORTUGAL | (Lisbon) | ![](ruler/PT__-1926-07-09.jpg) | President Oscar Carmona | ![](logo/WW-EA-EU.jpg) | |
![](flag/RO__-1900-01-01.jpg) | ![](arm/RO__-1921-06-23.jpg) | RUMANIA | (Bucharest) | ![](ruler/RO__-1914-10-10.jpg) | King Ferdinand I | ![](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/SU__-1924-04-18.jpg) | ![](arm/SU__-1923-07-06.jpg) | SOVIET UNION | (Moscow) | ![](ruler/SU__-1922-04-03.jpg) | Joseph Stalin | ![](logo/WW-EA-EU.jpg) | |
![](flag/SV__-1922-02-05.jpg) | ![](arm/SV__-1912-05-17.jpg) | EL SALVADOR | (San Salvador) | ![](ruler/SV__-1927-03-01.jpg) | President Don Pio Romero Bosque | ![](logo/WW-AM-NA.jpg) | |
![](flag/TH__-1917-09-28.jpg) | ![](arm/TH__-1910-10-23.jpg) | SIAM | (Bangkok) | ![](ruler/TH__-1925-11-25.jpg) | King Rama VII Prajadhipok | ![](logo/WW-EA-AS.jpg) | |
![](flag/TR__-1922-11-01.jpg) | ![](arm/TR__-1925-01-01.jpg) | TURKEY | (Angora a) | ![](ruler/TR__-1922-11-01.jpg) | President Mustafa Kemal Pasha | ![](logo/WW-EA-AS.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__-1923-08-02.jpg) | President Calvin Coolidge | ![](logo/WW-AM-NA.jpg) | |
![](flag/UY__-1900-01-01.jpg) | ![](arm/UY__-1900-01-01.jpg) | URUGUAY | (Montevideo) | ![](ruler/UY__-1927-03-01.jpg) | President Juan Campisteguy | ![](logo/WW-AM-SA.jpg) | |
![](flag/VE__-1905-03-28.jpg) | ![](arm/VE__-1900-01-01.jpg) | VENEZUELA | (Caracas) | ![](ruler/VE__-1922-06-24.jpg) | President Juan Vicente Gomez | ![](logo/WW-AM-SA.jpg) | |
![](flag/YU__-1922-02-28.jpg) | ![](arm/YU__-1918-12-01.jpg) | JUGO-SLAVIA | (Belgrade) | ![](ruler/YU__-1921-08-16.jpg) | King Alexander I the Unifier Karageorgevich | ![](logo/WW-EA-EU.jpg) | |