24 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. ] :
![](flag/AR__-1944-04-24.jpg) | ![](arm/AR__-1944-04-24.jpg) | ARGENTINE | (Buenos Aires a + Olivos r) | ![](ruler/AR__-1958-05-01.jpg) | President Arturo Frondizi | ![](logo/WW-AM-SA.jpg) | |
![](flag/BO__-1900-01-01.jpg) | ![](arm/BO__-1900-01-01.jpg) | BOLIVIA | (Sucre cj + La Paz eir) | ![](ruler/BO__-1956-08-06.jpg) | President Hernan Siles Zuazo | ![](logo/WW-AM-SA.jpg) | |
![](flag/BR__-1900-01-01.jpg) | ![](arm/BR__-1900-01-01.jpg) | BRAZIL | (Rio de Janeiro a + Brasilia f) | ![](ruler/BR__-1956-01-31.jpg) | President Juscelino Kubitschek | ![](logo/WW-AM-SA.jpg) | |
![](flag/CL__-1912-01-11.jpg) | ![](arm/CL__-1900-01-01.jpg) | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | ![](ruler/CL__-1958-11-03.jpg) | President Jorge Alessandri | ![](logo/WW-AM-SA.jpg) | |
![](flag/CO__-1955-08-06.jpg) | ![](arm/CO__-1924-05-17.jpg) | COLOMBIA | (Bogota) | ![](ruler/CO__-1958-08-07.jpg) | President Alberto Lleras Camargo | ![](logo/WW-AM-SA.jpg) | |
![](flag/CR__-1934-06-13.jpg) | ![](arm/CR__-1906-11-27.jpg) | COSTA RICA | (San Jose) | ![](ruler/CR__-1958-11-08.jpg) | President Mario Echandi Jimenez | ![](logo/WW-AM-NA.jpg) | |
![](flag/CU__-1902-05-20.jpg) | ![](arm/CU__-1906-04-21.jpg) | CUBA | (Havana) | ![](ruler/CU__-1959-01-03.jpg) | President Manuel Urrutia Lleo | ![](logo/WW-AM-NA.jpg) | |
![](flag/DO__-1900-01-01.jpg) | ![](arm/DO__-1916-11-29.jpg) | DOMINICAN | (Ciudad Trujillo) | ![](ruler/DO__-1930-08-16.jpg) | Generalissimo Rafael Leonidas Trujillo | ![](logo/WW-AM-NA.jpg) | |
![](flag/EC__-1900-12-05.jpg) | ![](arm/EC__-1900-10-31.jpg) | ECUADOR | (San Francisco of Quito) | ![](ruler/EC__-1956-09-01.jpg) | President Camilo Ponce Enriquez | ![](logo/WW-AM-SA.jpg) | |
![](flag/FR__-1958-10-04.jpg) | ![](arm/FR__-1953-06-03.jpg) | FRANCE | (Paris) | ![](ruler/FR__-1959-01-08.jpg) | President Charles de Gaulle | ![](logo/WW-EA-EU.jpg) | |
![](flag/GT__-1925-01-01.jpg) | ![](arm/GT__-1900-01-03.jpg) | GUATEMALA | (Guatemala City) | ![](ruler/GT__-1958-03-02.jpg) | President Miguel Ydigoras Fuentes | ![](logo/WW-AM-NA.jpg) | |
![](flag/HN__-1949-01-19.jpg) | ![](arm/HN__-1935-01-10.jpg) | HONDURAS | (Tegucigalpa a + Comayaguela c) | ![](ruler/HN__-1957-12-21.jpg) | President Ramon Villeda Morales | ![](logo/WW-AM-NA.jpg) | |
![](flag/HT__-1900-01-01.jpg) | ![](arm/HT__-1900-01-01.jpg) | HAITI | (Port Au Prince) | ![](ruler/HT__-1957-10-22.jpg) | President Francois Duvalier Papa Doc | ![](logo/WW-AM-NA.jpg) | |
![](flag/MX__-1934-02-05.jpg) | ![](arm/MX__-1934-02-05.jpg) | MEXICO | (Mexico City) | ![](ruler/MX__-1958-12-01.jpg) | President Adolfo Lopez Mateos | ![](logo/WW-AM-NA.jpg) | |
![](flag/NI__-1908-09-04.jpg) | ![](arm/NI__-1908-09-05.jpg) | NICARAGUA | (Managua) | ![](ruler/NI__-1956-09-29.jpg) | President Luis Somoza Debayle | ![](logo/WW-AM-NA.jpg) | |
![](flag/NL__-1937-02-19.jpg) | ![](arm/NL__-1907-07-10.jpg) | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | ![](ruler/NL__-1948-09-04.jpg) | Queen Juliana | ![](logo/WW-EA-EU.jpg) | |
![](flag/PA__-1949-12-15.jpg) | ![](arm/PA__-1904-06-04.jpg) | PANAMA | (Panama City) | ![](ruler/PA__-1956-10-01.jpg) | President Ernesto de la Guardia | ![](logo/WW-AM-SA.jpg) | |
![](flag/PE__-1950-03-31.jpg) | ![](arm/PE__-1950-03-31.jpg) | PERU | (Lima) | ![](ruler/PE__-1956-07-28.jpg) | President Manuel Prado Ugarteche | ![](logo/WW-AM-SA.jpg) | |
![](flag/PY__-1900-01-01.jpg) | ![](arm/PY__-1900-01-01.jpg) | PARAGUAY | (Assumption) | ![](ruler/PY__-1954-08-15.jpg) | President Alfredo Stroessner | ![](logo/WW-AM-SA.jpg) | |
![](flag/SV__-1922-02-05.jpg) | ![](arm/SV__-1912-05-17.jpg) | EL SALVADOR | (San Salvador) | ![](ruler/SV__-1956-09-14.jpg) | President Jose Maria Lemus | ![](logo/WW-AM-NA.jpg) | |
![](flag/UK__-1900-01-01.jpg) | ![](arm/UK__-1952-02-06.jpg) | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | ![](ruler/UK__-1952-02-06.jpg) | Queen Elizabeth II | ![](logo/WW-EA-EU.jpg) | |
![](flag/US__-1912-07-04.jpg) | ![](arm/US__-1900-01-01.jpg) | AMERICA | (Washington-District of Columbia) | ![](ruler/US__-1953-01-20.jpg) | President Dwight David Eisenhower | ![](logo/WW-AM-NA.jpg) | |
![](flag/UY__-1900-01-01.jpg) | ![](arm/UY__-1900-01-01.jpg) | URUGUAY | (Montevideo) | ![](ruler/UY__-1959-03-01.jpg) | President Martin Echegoyen | ![](logo/WW-AM-SA.jpg) | |
![](flag/VE__-1930-07-15.jpg) | ![](arm/VE__-1954-02-17.jpg) | VENEZUELA | (Caracas) | ![](ruler/VE__-1959-02-13.jpg) | President Romulo Betancourt | ![](logo/WW-AM-SA.jpg) | |