16 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. ] :
 |  | BANGLADESH | (Dhaka a) |  | President Abdul Hamid |  | |
 |  | BRAZIL | (Brasilia a + Rio de Janeiro m) |  | President Jair Bolsonaro |  | |
 |  | CHINA | (Beijing) |  | Xi Jinping | | |
 |  | EGYPT | (Cairo a + Alexandria r + Almasa New Capital City f) |  | President Abdel Fattah el-Sisi |  | |
 |  | INDONESIA | (Jakarta akn + Nusantara f + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Joko Widodo | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w + Mysore r) |  | President Ram Nath Kovind | | |
 |  | IRAN | (Tehran a + Qum y) |  | Supreme Leader Ayatollah Ali Khamenei | | |
 |  | SOUTH KOREA | (Seoul adknr + Sejong b + Gyeryong m) |  | President Yoon Suk-Yeol | | |
 |  | MEXICO | (Mexico City) |  | President Andres Manuel Lopez Obrador |  | |
 |  | NIGERIA | (Abuja a + Lagos kmn) |  | President Muhammadu Buhari | | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Rodrigo Duterte | | |
 |  | PAKISTAN | (Islamabad a + Lahore ky + Rawalpindi m) |  | President Arif Alvi | | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d + Sochi s + Valdai s) |  | President Vladimir Putin |  | |
 |  | TURKIYE | (Ankara a + Marmaris s) |  | President Recep Tayyip Erdogan | | |
 |  | VIETNAM | (Hanoi) |  | Nguyen Phu Trong | | |
 |  | SOUTH AFRICA | (Pretoria aem + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Cyril Ramaphosa | | |
Sources are available upon request.