18 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 Reynaldo Bignone |  | |
 |  | BOLIVIA | (Sucre cj + La Paz eir) |  | President Hernan Siles Zuazo | | |
 |  | BRAZIL | (Brasilia) |  | President Joao Figueiredo | | |
 |  | COLOMBIA | (Bogota) |  | President Belisario Betancur | | |
 |  | COSTA RICA | (San Jose) |  | President Luis Alberto Monge Alvarez |  | |
 |  | CUBA | (Havana) |  | Supreme Leader Fidel Castro | | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Salvador Jorge Blanco | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Osvaldo Hurtado Larrea | | |
 |  | GUATEMALA | (Guatemala City) |  | President Efrain Rios Montt | | |
 |  | HONDURAS | (Tegucigalpa a + Comayaguela c) |  | President Roberto Suazo Cordova | | |
 |  | MEXICO | (Mexico City) |  | President Miguel de la Madrid Hurtado | | |
 |  | NICARAGUA | (Managua) |  | Daniel Ortega | | |
 |  | PANAMA | (Panama City) |  | General Ruben Dario Paredes | | |
 |  | PERU | (Lima a + Arequipa d) |  | President Fernando Belaunde Terry | | |
 |  | PARAGUAY | (Assumption) |  | President Alfredo Stroessner | | |
 |  | EL SALVADOR | (San Salvador) |  | President Alvaro Magana | | |
 |  | URUGUAY | (Montevideo) |  | President Gregorio Conrado Alvarez Armelino | | |
 |  | VENEZUELA | (Caracas) |  | President Luis Herrera Campins | | |
