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 Manuel Quintana | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Ismael Montes | | |
| | BRAZIL | (Rio de Janeiro) | | President Francisco de Paula Rodrigues Alves | | |
| | CHILI | (Santiago of Chili a + Valparaiso ls) | | President German Riesco | | |
| | COLOMBIA | (Bogota) | | President Rafael Reyes Prieto | | |
| | COSTA RICA | (San Jose) | | President Ascension Esquivel Ibarra | | |
| | CUBA | (Havana) | | President Tomas Estrada Palma | | |
| | DOMINICAN | (Santo Domingo) | | President Carlos Morales Languasco | | |
| | ECUADOR | (San Francisco of Quito) | | President Lizardo Garcia | | |
| | GUATEMALA | (Guatemala City) | | President Manuel Jose Estrada | | |
| | HONDURAS | (Tegucigalpa) | | President Manuel Bonilla | | |
| | HAYTI | (Port Au Prince) | | President Pierre Nord Alexis | | |
| | MEXICO | (Mexico City) | | President Porfirio Diaz | | |
| | NICARAGUA | (Managua) | | President Jose Santos Zelaya | | |
| | PANAMA | (Panama City) | | President Manuel Amador Guerrero | | |
| | PERU | (Lima) | | President Jose Pardo y Barreda | | |
| | PARAGUAY | (Assumption) | | President Juan Bautista Gaona | | |
| | SALVADOR | (San Salvador) | | President Pedro Jose Escalon | | |
| | AMERICA | (Washington-District of Columbia) | | President Theodore Roosevelt | | |
| | URUGUAY | (Montevideo) | | President Jose Batlle | | |
| | VENEZUELA | (Caracas) | | President Cipriano Castro | | |