48 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/AL__-1920-01-20.jpg) | ![](arm/AL__-1914-03-07.jpg) | ALBANIA | (Tirana) | ![](ruler/AL__-1922-12-02.jpg) | High Council | ![](logo/WW-EA-EU.jpg) | |
![](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__-1918-10-03.jpg) | BULGARIA | (Sofia) | ![](ruler/BG__-1918-10-03.jpg) | Tsar Boris III the Unifier | ![](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__-1920-07-12.jpg) | President Bautista Saavedra | ![](logo/WW-AM-SA.jpg) | |
![](flag/BR__-1900-01-01.jpg) | ![](arm/BR__-1900-01-01.jpg) | BRAZIL | (Rio de Janeiro) | ![](ruler/BR__-1922-11-15.jpg) | President Artur Bernardes | ![](logo/WW-AM-SA.jpg) | |
![](flag/CH__-1900-01-01.jpg) | ![](arm/CH__-1900-01-01.jpg) | SWITZERLAND | (Berne lq + Lausanne j) | ![](ruler/CH__-1924-01-01.jpg) | President Ernest-Louis Chuard | ![](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__-1920-12-23.jpg) | President Arturo Alessandri Palma | ![](logo/WW-AM-SA.jpg) | |
![](flag/CO__-1906-07-14.jpg) | ![](arm/CO__-1900-01-01.jpg) | COLOMBIA | (Bogota) | ![](ruler/CO__-1922-08-07.jpg) | President Pedro Nel Ospina | ![](logo/WW-AM-SA.jpg) | |
![](flag/CR__-1906-11-27.jpg) | ![](arm/CR__-1906-11-27.jpg) | COSTA RICA | (San Jose) | ![](ruler/CR__-1920-05-08.jpg) | President Julio Acosta Garcia | ![](logo/WW-AM-NA.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/CU__-1902-05-20.jpg) | ![](arm/CU__-1906-04-21.jpg) | CUBA | (Havana) | ![](ruler/CU__-1921-05-20.jpg) | President Alfredo Zayas | ![](logo/WW-AM-NA.jpg) | |
![](flag/DA__-1920-11-15.jpg) | ![](arm/DA__-1920-11-15.jpg) | DANZIG | (Danzig) | ![](ruler/DA__-1920-01-10.jpg) | Heinrich Sahm | ![](logo/WW-EA-EU.jpg) | |
![](flag/DE__-1919-08-14.jpg) | ![](arm/DE__-1920-01-10.jpg) | GERMANY | (Berlin a) | ![](ruler/DE__-1919-02-11.jpg) | Reichpresident Friedrich Ebert | ![](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__-1920-09-01.jpg) | President Jose Luis Tamayo Teran | ![](logo/WW-AM-SA.jpg) | |
![](flag/EE__-1918-11-12.jpg) | ![](arm/EE__-1921-09-22.jpg) | ESTHONIA | (Tallinn a + Tartu b) | ![](ruler/EE__-1923-08-02.jpg) | Konstantin Pats | ![](logo/WW-EA-EU.jpg) | |
![](flag/EG__-1923-12-10.jpg) | ![](arm/EG__-1922-02-28.jpg) | EGYPT | (Cairo a + Alexandria r) | ![](ruler/EG__-1917-10-09.jpg) | King Fuad I | ![](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/FI__-1920-02-12.jpg) | ![](arm/FI__-1919-07-17.jpg) | FINLAND | (Helsinki a + Kultaranta s) | ![](ruler/FI__-1919-07-27.jpg) | President Kaarlo Juho Stahlberg | ![](logo/WW-EA-EU.jpg) | |
![](flag/FR__-1900-01-01.jpg) | ![](arm/FR__-1902-01-02.jpg) | FRANCE | (Paris) | ![](ruler/FR__-1920-09-21.jpg) | President Alexandre Millerand | ![](logo/WW-EA-EU.jpg) | |
![](flag/GR__-1900-01-01.jpg) | ![](arm/GR__-1900-01-01.jpg) | GREECE | (Athens a) | ![](ruler/GR__-1923-12-19.jpg) | Regent Pavlos Theodorou Koundouriotis | ![](logo/WW-EA-EU.jpg) | |
![](flag/GT__-1924-01-01.jpg) | ![](arm/GT__-1900-01-03.jpg) | GUATEMALA | (Guatemala City) | ![](ruler/GT__-1921-12-10.jpg) | President Jose Maria Orellana | ![](logo/WW-AM-NA.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/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/LT__-1918-11-02.jpg) | ![](arm/LT__-1918-11-02.jpg) | LITHUANIA | (Kaunas) | ![](ruler/LT__-1920-06-19.jpg) | President Alexandras Stulginskis | ![](logo/WW-EA-EU.jpg) | |
![](flag/LU__-1900-01-01.jpg) | ![](arm/LU__-1900-01-01.jpg) | LUXEMBURG | (Luxembourg a) | ![](ruler/LU__-1919-01-15.jpg) | Grand Duchess Charlotte | ![](logo/WW-EA-EU.jpg) | |
![](flag/LV__-1918-11-26.jpg) | ![](arm/LV__-1921-06-16.jpg) | LATVIA | (Riga) | ![](ruler/LV__-1918-11-18.jpg) | State President Janis Cakste | ![](logo/WW-EA-EU.jpg) | |
![](flag/MX__-1918-08-22.jpg) | ![](arm/MX__-1918-08-22.jpg) | MEXICO | (Mexico City) | ![](ruler/MX__-1920-12-01.jpg) | President Alvaro Obregon | ![](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/PE__-1900-01-01.jpg) | ![](arm/PE__-1922-12-11.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__-1922-12-14.jpg) | President Gabriel Narutowicz | ![](logo/WW-EA-EU.jpg) | |
![](flag/PT__-1911-06-30.jpg) | ![](arm/PT__-1911-06-30.jpg) | PORTUGAL | (Lisbon) | ![](ruler/PT__-1923-10-05.jpg) | President Manuel Teixeira Gomes | ![](logo/WW-EA-EU.jpg) | |
![](flag/PY__-1900-01-01.jpg) | ![](arm/PY__-1900-01-01.jpg) | PARAGUAY | (Assumption) | ![](ruler/PY__-1923-04-12.jpg) | President Eligio Ayala | ![](logo/WW-AM-SA.jpg) | |
![](flag/RC__-1917-07-12.jpg) | ![](arm/RC__-1917-07-12.jpg) | CHINA | (Peking) | ![](ruler/RC__-1923-10-10.jpg) | President Tsao Kun | ![](logo/WW-EA-AS.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__-1923-11-12.jpg) | ![](arm/SU__-1923-07-06.jpg) | SOVIET UNION | (Moscow) | ![](ruler/SU__-1922-04-03.jpg) | Joseph Stalin | ![](logo/WW-EA-EU.jpg) | |
![](flag/TH__-1917-09-28.jpg) | ![](arm/TH__-1910-10-23.jpg) | SIAM | (Bangkok) | ![](ruler/TH__-1910-10-23.jpg) | King Rama VI Vajiravudh | ![](logo/WW-EA-AS.jpg) | |
![](flag/TR__-1922-11-01.jpg) | ![](arm/TR__-1924-03-04.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__-1923-03-01.jpg) | President Jose Serrato | ![](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) | |