26 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. ] :
| | AFGHANISTAN | (Kabul) | | President Ashraf Ghani | | |
| | AZERBAIJAN | (Baku) | | President Iham Aliyev | | |
| | BULGARIA | (Sofia) | | President Rosen Plevneliev | | |
| | BELARUS | (Minsk) | | President Alexander Lukashenko | | |
| | CUBA | (Havana) | | Raul Castro | | |
| | CZECHIA | (Prague elr + Brno dj + Lany r) | | President Milos Zeman | | |
| | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) | | Bundespresident Joachim Gauck | | |
| | GEORGIA | (Tbilisi a + Kutaisi l + Batumi d) | | President Giorgi Margvelashvili | | |
| | HUNGARY | (Budapest a) | | President Janos Ader | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Pranab Mukherjee | | |
| | KYRGYZSTAN | (Bishkek) | | President Almazbek Atambayev | | |
| | NORTH KOREA | (Pyongyang a) | | Kim Jong-Un | | |
| | KAZAKHSTAN | (Astana a) | | President Elbashy Nursultan Nazarbayev | | |
| | LAOS | (Vientiane) | | Choummaly Sayasone | | |
| | MONGOLIA | (Ulan-Bator) | | President Tsakhiagiyn Elbegdorj | | |
| | NICARAGUA | (Managua) | | President Daniel Ortega | | |
| | POLAND | (Warsaw a) | | President Bronislaw Komorowski | | |
| | ROMANIA | (Bucharest) | | President Klaus Iohannis | | |
| | RUSSIA | (Moscow a + Saint Petersburg d) | | President Vladimir Putin | | |
| | SOMALIA | (Mogadishu-Hamar Weyne) | | President Hassan Sheikh Mohamud | | |
| | SYRIA | (Damascus) | | President Bashar Al-Assad | | |
| | TAJIKISTAN | (Dushanbe) | | President Emomali Rakhmonov | | |
| | TURKMENISTAN | (Ashgabat) | | President Arkadag Gurbanguly Berdymukhammedov | | |
| | UKRAINE | (Kiev) | | President Petro Poroshenko | | |
| | VIETNAM | (Hanoi) | | Nguyen Phu Trong | | |
| | YEMEN-ADEN | (Aden qt) | | President Abd Rabbuh Mansur Hadi | | |