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 Aires a + Olivos r) |  | President Eduardo Duhalde |  | |
 |  | BELGIUM | (Brussels al + Bruges j) |  | King Albert II |  | |
 |  | BOLIVIA | (Sucre cj + La Paz eimr) |  | President Gonzalo Sanchez de Lozada |  | |
 |  | BRAZIL | (Brasilia a + Rio de Janeiro m) |  | President Luiz Inacio Lula da Silva |  | |
 |  | BELIZE | (Belmopan) |  | Queen Elizabeth II |  | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Ricardo Lagos |  | |
 |  | COLOMBIA | (Bogota) |  | President Alvaro Uribe |  | |
 |  | COSTA RICA | (San Jose) |  | President Abel Pacheco de la Espriella |  | |
 |  | CUBA | (Havana) |  | Supreme Leader Fidel Castro |  | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Hipolito Mejia |  | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Lucio Gutierrez |  | |
 |  | SPAIN | (Madrid) |  | King Juan Carlos I |  | |
 |  | GUATEMALA | (Guatemala City) |  | President Alfonso Portillo |  | |
 |  | HONDURAS | (Tegucigalpa a + Comayaguela c) |  | President Ricardo Maduro Joest |  | |
 |  | MEXICO | (Mexico City) |  | President Vicente Fox Quesada |  | |
 |  | NICARAGUA | (Managua) |  | President Enrique Bolanos Geyer |  | |
 |  | PANAMA | (Panama City) |  | President Mireya Moscoso |  | |
 |  | PERU | (Lima a + Arequipa d + Cusco h) |  | President Alejandro Toledo |  | |
 |  | PORTUGAL | (Lisbon) |  | President Jorge Sampaio |  | |
 |  | PARAGUAY | (Assumption) |  | President Luis Angel Gonzalez Macchi |  | |
 |  | EL SALVADOR | (San Salvador) |  | President Francisco Flores |  | |