22 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. ] :
| | UNITED ARAB EMIRATES | (Abu Dhabi ar) | | President Sheikh Muhammad bin Zayed Al Nahyan | | |
| | AFGHANISTAN | (Dushanbe x) | | Amrullah Saleh | | |
| | AZERBAIJAN | (Baku) | | President Iham Aliyev | | |
| | CHINA | (Beijing) | | Xi Jinping | | |
| | EGYPT | (Cairo a + Alexandria r + Almasa New Capital City f) | | President Abdel Fattah el-Sisi | | |
| | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) | | President Isaac Herzog | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Draupadi Murmu | | |
| | IRAQ | (Baghdad) | | President Abdul Latif Rashid | | |
| | IRAN | (Tehran) | | Supreme Leader Ayatollah Ali Khamenei | | |
| | JORDAN | (Amman) | | King Abdullah II | | |
| | KYRGYZSTAN | (Bishkek) | | President Sadyr Zhaparov | | |
| | SOUTH KOREA | (Seoul adknr + Sejong b) | | President Yoon Suk-Yeol | | |
| | KAZAKHSTAN | (Astana a) | | President Kasym-Zhomart Tokayev | | |
| | MONGOLIA | (Ulan-Bator) | | President Ukhnaagiin Khurelsukh | | |
| | PAKISTAN | (Islamabad) | | President Arif Alvi | | |
| | PALESTINE | (Ramallah qr + (East Jerusalem)) | | President Mahmoud Abbas | | |
| | RUSSIA | (Moscow a + Saint Petersburg d) | | President Vladimir Putin | | |
| | THAILAND | (Bangkok) | | King Rama X. Vajiralongkorn | | |
| | TAJIKISTAN | (Dushanbe) | | President Emomali Rakhmonov | | |
| | TURKIYE | (Ankara a + Marmaris s) | | President Recep Tayyip Erdogan | | |
| | UZBEKISTAN | (Tashkent a) | | Shavkat Mirziyayev | | |
| | VIETNAM | (Hanoi) | | Nguyen Phu Trong | | |