21 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) |  | President Victorino de la Plaza |  | |
 |  | BOLIVIA | (Sucre cj + La Paz eir) |  | President Ismael Montes | | |
 |  | BRAZIL | (Rio de Janeiro) |  | President Marshal Hermes da Fonseca | | |
 |  | CHILI | (Santiago of Chili a + Valparaiso ls) |  | President Ramon Barros Luco | | |
 |  | COLOMBIA | (Bogota) |  | President Jose Vicente Concha | | |
 |  | COSTA RICA | (San Jose) |  | President Alfredo Gonzalez Flores |  | |
 |  | CUBA | (Havana) |  | President Mario Garcia Menocal | | |
 |  | DOMINICAN | (Santo Domingo) |  | President Ramon Baez Machado | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Leonidas Plaza Gutierrez | | |
 |  | GUATEMALA | (Guatemala City) |  | President Manuel Jose Estrada | | |
 |  | HONDURAS | (Tegucigalpa) |  | Francisco Bertrand | | |
 |  | HAYTI | (Port Au Prince) |  | President Joseph Davilmar Theodore | | |
 |  | MEXICO | (Mexico City) |  | President Eulalio Gutierrez Ortiz | | |
 |  | NICARAGUA | (Managua) |  | President Adolfo Diaz Recinos | | |
 |  | PANAMA | (Panama City) |  | President Belisario Porras Barahona | | |
 |  | PERU | (Lima) |  | President Oscar Raymundo Benavides | | |
 |  | PARAGUAY | (Assumption) |  | President Eduardo Schaerer | | |
 |  | SALVADOR | (San Salvador) |  | President Carlos Melendez | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Woodrow Wilson | | |
 |  | URUGUAY | (Montevideo) |  | President Jose Batlle | | |
 |  | VENEZUELA | (Caracas) |  | President Victorino Marquez Bustillos | | |
