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. ] :
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Agustin Pedro Justo | | |
| | AUSTRIA | (Vienna) | | President Wilhelm Miklas | | |
| | BELGIUM | (Brussels) | | King Albert I | | |
| | BRAZIL | (Rio de Janeiro) | | Getulio Vargas | | |
| | CANADA | (Ottawa) | | King George V | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Edmund Schulthess | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Arturo Alessandri Palma | | |
| | CZECHOSLOVAKIA | (Prague a + Lany s) | | President Tomas Garrigue Masaryk | | |
| | CUBA | (Havana) | | President Gerardo Machado | | |
| | GERMANY | (Berlin a) | | Reichpresident Paul von Hindenburg | | |
| | DENMARK | (Copenhagen) | | King Christian X | | |
| | EGYPT | (Cairo a + Alexandria r) | | King Fuad I | | |
| | SPAIN | (Madrid) | | President Niceto Alcala-Zamora y Torres | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Pehr Evind Svinhufvud | | |
| | FRANCE | (Paris) | | President Albert Lebrun | | |
| | GREECE | (Athens a) | | President Alexandros Zaimis | | |
| | HUNGARY | (Budapest a) | | Regent Miklos Horthy de Nagybanya | | |
| | ITALY | (Rome a) | | King Victor Emmanuel III | | |
| | JAPAN | (Tokyo) | | Emperor Hirohito | | |
| | LEBANON | (Beirut a) | | President Charles Debbas | | |
| | LITHUANIA | (Kaunas) | | President Antanas Smetona | | |
| | LUXEMBURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | MEXICO | (Mexico City) | | Abelardo Lujan Rodriguez | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Wilhelmina | | |
| | NORWAY | (Oslo) | | King Haakon VII | | |
| | PERU | (Lima) | | President Luis Miguel Sanchez Cerro | | |
| | POLAND | (Warsaw a) | | Jozef Pilsudski | | |
| | PORTUGAL | (Lisbon) | | President Oscar Carmona | | |
| | RUMANIA | (Bucharest) | | King Carol II | | |
| | SWEDEN | (Stockholm) | | King Gustav V | | |
| | SOVIET UNION | (Moscow) | | Joseph Stalin | | |
| | TURKEY | (Ankara a) | | President Mustafa Kemal Pasha | | |
| | CHINA | (Nanking a) | | Lin Sen | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | King George V | | |
| | AMERICA | (Washington-District of Columbia) | | President Herbert Hoover | | |
| | YUGOSLAVIA | (Belgrade) | | King Alexander I. the Unifier Karageorgevich | | |