22 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 + Olivos b) |  | President Marcelo Torcuato de Alvear |  | |
 |  | BRAZIL | (Rio de Janeiro) |  | President Washington Luiz | | |
 |  | CHILE | (Santiago of Chile a + Valparaiso ls) |  | President Carlos Ibanez del Campo | | |
 |  | GERMANY | (Berlin a) |  | Reichpresident Paul von Hindenburg |  | |
 |  | DENMARK | (Copenhagen) |  | King Christian X | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | King Fuad I |  | |
 |  | SPAIN | (Madrid) |  | King Alfonso XII | | |
 |  | FRANCE | (Paris) |  | Frederic Francois-Marsal | | |
 |  | GREECE | (Athens a) |  | President Pavlos Theodorou Koundouriotis | | |
 |  | ITALY | (Rome a) |  | King Victor Emmanuel III | | |
 |  | JAPAN | (Tokyo) |  | Emperor Hirohito |  | |
 |  | MONACO | (Monaco q) |  | Prince Louis II | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | Queen Wilhelmina | | |
 |  | NORWAY | (Oslo) |  | King Haakon VII | | |
 |  | PERU | (Lima) |  | President Augusto Leguia | | |
 |  | POLAND | (Warsaw a) |  | Jozef Pilsudski | | |
 |  | PORTUGAL | (Lisbon) |  | President Oscar Carmona | | |
 |  | CHINA | (Peking) |  | Generalissimo Chang Tso-Lin | | |
 |  | SWEDEN | (Stockholm) |  | King Gustav V | | |
 |  | SIAM | (Bangkok) |  | King Rama VII Prajadhipok | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) |  | King George V | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Calvin Coolidge |  | |
