25 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 Hamid Karzai | | |
| | AUSTRALIA | (Canberra) | | Philip Michael Jeffery | | |
| | BANGLADESH | (Dhaka a) | | President Iajuddin Ahmed | | |
| | BHUTAN | (Thimphu a + Paro s) | | King Jigme Khesar Namgyal Wangchuk | | |
| | FIJI ISLANDS | (Suva) | | President Ratu Josefa Iloilo | | |
| | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) | | President Susilo Bambang Yudhoyono | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Pratibha Patil | | |
| | IRAN | (Tehran) | | Supreme Leader Ayatollah Ali Khamenei | | |
| | JAPAN | (Tokyo) | | Emperor Akihito | | |
| | SOUTH KOREA | (Seoul a) | | President Lee Myung-Bak | | |
| | LAOS | (Vientiane) | | Choummaly Sayasone | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Mahinda Rajapaksa | | |
| | MYANMAR | (Naypyidaw a + Yangon bn) | | Than Shwe | | |
| | MONGOLIA | (Ulan-Bator) | | President Nambaryn Enkhbayar | | |
| | MALDIVES | (Male) | | President Maumoon Abdul Gayoom | | |
| | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) | | Sultan Mizan Zainal Abidin | | |
| | NEPAL | (Kathmandu) | | Girija Prasad Koirala | | |
| | NEW ZEALAND | (Wellington) | | Queen Elizabeth II | | |
| | PAPUA NEW GUINEA | (Port Moresby) | | Queen Elizabeth II | | |
| | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) | | President Gloria Macapagal-Arroyo | | |
| | PAKISTAN | (Islamabad) | | President Pervez Musharraf | | |
| | SINGAPORE | (Singapore) | | President Sellapan Ramanathan Nathan | | |
| | THAILAND | (Bangkok) | | King Rama IX Bhumibol Adulyadej | | |
| | AMERICA | (Washington-District of Columbia) | | President George Walker Bush | | |
| | VIETNAM | (Hanoi) | | Nong Duc Manh | | |