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. ] :
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Mauricio Macri | | |
| | BRAZIL | (Brasilia) | | Michel Temer | | |
| | CONGO-BRAZZAVILLE | (Brazzaville a + Pointe Noire n) | | President Denis Sassou-Nguesso | | |
| | COTE D´IVOIRE | (Yamoussoukro a + Abidjan dln) | | President Alassane Ouattara | | |
| | COLOMBIA | (Bogota) | | President Juan Manuel Santos | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Abdelaziz Bouteflika | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Abdel Fattah el-Sisi | | |
| | ETHIOPIA | (Addis Ababa) | | President Mulatu Teshome Wirtu | | |
| | GABON | (Libreville) | | President Ali Ben Bongo Ondimba | | |
| | GHANA | (Accra) | | President John Dramani Mahama | | |
| | GUATEMALA | (Guatemala City) | | President Jimmy Morales Cabrera | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Pranab Mukherjee | | |
| | IRAN | (Tehran) | | Supreme Leader Ayatollah Ali Khamenei | | |
| | LEBANON | (Beirut a + Baabda r + Hadeth d) | | Tammam Salam | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Maithripala Sirisena | | |
| | MEXICO | (Mexico City) | | President Enrique Pena Nieto | | |
| | NIGERIA | (Abuja a) | | President Muhammadu Buhari | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Ollanta Humala | | |
| | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) | | President Benigno Aquino III | | |
| | PAKISTAN | (Islamabad) | | President Mamnoon Hussain | | |
| | SYRIA | (Damascus) | | President Bashar Al-Assad | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Anthony Carmona | | |
| | VENEZUELA | (Caracas) | | President Nicolas Maduro | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) | | President Jacob Zuma | | |