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 Nestor Kirchner | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Evo Morales | | |
| | BRAZIL | (Brasilia) | | President Luiz Inacio Lula da Silva | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Michelle Bachelet | | |
| | CHINA | (Beijing) | | Hu Jintao | | |
| | COLOMBIA | (Bogota) | | President Alvaro Uribe | | |
| | COSTA RICA | (San Jose) | | President Oscar Arias Sanchez | | |
| | CUBA | (Havana) | | Supreme Leader Fidel Castro | | |
| | ECUADOR | (San Francisco of Quito) | | President Alfredo Palacio Gonzalez | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Hosni Mubarak | | |
| | GUATEMALA | (Guatemala City) | | President Oscar Berger | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Aavul Pakkiri Jainulabidin Abdul Kalam | | |
| | MEXICO | (Mexico City) | | President Vicente Fox Quesada | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Alejandro Toledo | | |
| | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) | | President Gloria Macapagal-Arroyo | | |
| | PAKISTAN | (Islamabad) | | President Pervez Musharraf | | |
| | PARAGUAY | (Assumption) | | President Nicanor Duarte Frutos | | |
| | EL SALVADOR | (San Salvador) | | President Elias Antonio Saca Gonzalez | | |
| | THAILAND | (Bangkok) | | King Rama IX Bhumibol Adulyadej | | |
| | VENEZUELA | (Caracas) | | President Hugo Chavez | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) | | President Thabo Mbeki | | |