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. ] :
 |  | UNITED ARAB EMIRATES | (Abu Dhabi a + Dubai r) |  | Sheikh Maktum III bin Rashid Al Maktum |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Iajuddin Ahmed | | |
 |  | BAHRAIN | (Manamah) |  | King Sheikh Hamad bin Isa Al Khalifah | | |
 |  | BRUNEI DARUSSALAM | (Bandar Seri Begawan) |  | Sultan Hassanal Bolkiah | | |
 |  | BHUTAN | (Thimphu a + Paro s) |  | King Jigme Singye Wangchuk | | |
 |  | CHINA | (Beijing) |  | Hu Jintao | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Susilo Bambang Yudhoyono | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Aavul Pakkiri Jainulabidin Abdul Kalam | | |
 |  | IRAN | (Tehran) |  | Supreme Leader Ayatollah Ali Khamenei | | |
 |  | JAPAN | (Tokyo) |  | Emperor Akihito | | |
 |  | CAMBODIA | (Phnom Penh) |  | King Norodom Sihamoni | | |
 |  | SOUTH KOREA | (Seoul a) |  | President Roh Moo-Hyun | | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Jabir III Al Ahmad Al Jabir Al Sabah | | |
 |  | KAZAKHSTAN | (Astana a) |  | President Nursultan Nazarbayev | | |
 |  | LAOS | (Vientiane) |  | Khamtai Siphandon | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Chandrika Kumaratunga | | |
 |  | MYANMAR | (Yangon a) |  | Than Shwe | | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Natsagiin Bagabandi | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) |  | Raja Syed Sirajuddin I | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Gloria Macapagal-Arroyo | | |
 |  | PAKISTAN | (Islamabad) |  | President Pervez Musharraf | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Hamad bin Khalifah Al Thani | | |
 |  | SINGAPORE | (Singapore) |  | President Sellapan Ramanathan Nathan | | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej | | |
 |  | VIETNAM | (Hanoi) |  | Nong Duc Manh | | |
