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 Cristina Fernandez de Kirchner | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Evo Morales | | |
| | BRAZIL | (Brasilia) | | President Dilma Rousseff | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Sebastian Pinera | | |
| | COLOMBIA | (Bogota) | | President Juan Manuel Santos | | |
| | COSTA RICA | (San Jose) | | President Laura Chinchilla Miranda | | |
| | DOMINICAN | (Santo Domingo de Guzman) | | President Danilo Medina | | |
| | ECUADOR | (San Francisco of Quito) | | President Rafael Correa Delgado | | |
| | SPAIN | (Madrid) | | King Juan Carlos I | | |
| | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
| | MEXICO | (Mexico City) | | President Enrique Pena Nieto | | |
| | PANAMA | (Panama City) | | President Ricardo Martinelli | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Ollanta Humala | | |
| | PORTUGAL | (Lisbon) | | President Anibal Cavaco Silva | | |
| | PARAGUAY | (Assumption) | | President Federico Franco Gomez | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Anthony Carmona | | |
| | URUGUAY | (Montevideo) | | President Jose Mujica | | |
| | VENEZUELA | (Caracas) | | President Nicolas Maduro | | |