171 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. ] :
 |  | EMIRATES | (Abu Dhabi ar) |  | President Sheikh Khalifa bin Zayed Al Nahyan |  | |
 |  | AFGHANISTAN | (Kabul) |  | President Hamid Karzai | | |
 |  | ALBANIA | (Tirana) |  | President Bamir Topi |  | |
 |  | ARMENIA | (Erevan) |  | President Serge Sarkisyan | | |
 |  | ANGOLA | (Luanda) |  | President Jose Eduardo dos Santos |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Cristina Fernandez de Kirchner |  | |
 |  | AUSTRIA | (Vienna) |  | President Heinz Fischer | | |
 |  | AZERBAIJAN | (Baku) |  | President Iham Aliyev | | |
 |  | BOSNIA AND HERZEGOVINA | (Sarajevo) |  | President Nebojsha Radmanovich | | |
 |  | BARBADOS | (Bridgetown) |  | Queen Elizabeth II |  | |
 |  | BANGLADESH | (Dhaka a) |  | President Iajuddin Ahmed | | |
 |  | BELGIUM | (Brussels al + Bruges j) |  | King Albert II | | |
 |  | BURKINA FASO | (Ouagadougou) |  | President Blaise Compaore | | |
 |  | BULGARIA | (Sofia) |  | President Georgi Parvanov | | |
 |  | BAHRAIN | (Manamah a + Sakhir r) |  | King Sheikh Hamad bin Isa Al Khalifah | | |
 |  | BURUNDI | (Bujumbura) |  | President Pierre Nkurunziza | | |
 |  | BENIN | (Porto Novo a + Cotonou ilmnqr) |  | President Yayi Boni | | |
 |  | BOLIVIA | (Sucre cj + La Paz eimr) |  | President Evo Morales | | |
 |  | BRAZIL | (Brasilia a + Rio de Janeiro m) |  | President Luiz Inacio Lula da Silva | | |
 |  | THE BAHAMAS | (Nassau) | | Queen Elizabeth II | | |
 |  | BHUTAN | (Thimphu a + Paro s) |  | King Jigme Khesar Namgyal Wangchuk | | |
 |  | BOTSWANA | (Gaborone a) |  | President Seretse Ian Khama | | |
 |  | BELARUS | (Minsk) |  | President Alexander Lukashenko | | |
 |  | BELIZE | (Belmopan) | | Queen Elizabeth II | | |
 |  | CONGO-KINSHASA | (Kinshasa a) |  | President Joseph Kabila | | |
 |  | CONGO-BRAZZAVILLE | (Brazzaville a + Pointe Noire n) |  | President Denis Sassou-Nguesso | | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Hans-Rudolf Merz | | |
 |  | COTE D'IVOIRE | (Yamoussoukro a + Abidjan dklmn + Cocody r) |  | President Laurent Gbagbo | | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Michelle Bachelet | | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya | | |
 |  | CHINA | (Beijing) |  | Hu Jintao | | |
 |  | COLOMBIA | (Bogota) |  | President Alvaro Uribe | | |
 |  | COSTA RICA | (San Jose) |  | President Oscar Arias Sanchez | | |
 |  | CUBA | (Havana) |  | Supreme Leader Fidel Castro | | |
 |  | CAPE VERDE | (Praia) |  | President Pedro Pires | | |
 |  | CYPRUS | (Nicosia) |  | President Dimitris Christofias | | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Vaclav Klaus | | |
 |  | GERMANY | (Berlin ar + Bonn lmr + Karlsruhe d) |  | Bundespresident Horst Koehler | | |
 |  | JIBUTI | (Jibuti) |  | President Ismail Omar Guelleh | | |
 |  | DENMARK | (Copenhagen as + Hillerod r) |  | Queen Margaret II | | |
 |  | DOMINICA | (Roseau) |  | President Nicholas Liverpool | | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Leonel Fernandez Reyna | | |
 |  | ALGERIA | (Algiers a + El Biar d + El Mouradia r) |  | President Abdelaziz Bouteflika | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Rafael Correa Delgado | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Hosni Mubarak | | |
 |  | ERITREA | (Asmara) |  | President Isaias Afewerki | | |
 |  | SPAIN | (Madrid) |  | King Juan Carlos I | | |
 |  | ETHIOPIA | (Addis Ababa) |  | President Girma Wolde-Giorgis | | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Tarja Halonen | | |
 |  | FRANCE | (Paris a + Bormes-Les-Mimosas s) |  | President Nicolas Sarkozy | | |
 |  | GABON | (Libreville) |  | President Omar Bongo Ondimba | | |
 |  | GRENADA | (Saint George's) | | Queen Elizabeth II | | |
 |  | GEORGIA | (Tbilisi a + Batumi d) |  | President Mikheil Saakashvili | | |
 |  | GHANA | (Accra) |  | President John Kufuor | | |
 |  | THE GAMBIA | (Banjul) |  | President Yahya Jammeh | | |
 |  | GUINEA | (Conakry) |  | President Moussa Dadis Camara | | |
 |  | EQUATORIAL GUINEA | (Malabo a) |  | President Teodoro Obiang Nguema Mbasogo | | |
 |  | GREECE | (Athens a) |  | President Karolos Papoulias | | |
 |  | GUATEMALA | (Guatemala City) |  | President Alvaro Colom | | |
 |  | GUINEA-BISSAU | (Bissau) |  | President Joao Bernardo Vieira | | |
 |  | GUYANA | (Georgetown) |  | President Bharrat Jagdeo | | |
 |  | HONDURAS | (Tegucigalpa a + Comayaguela c) |  | President Manuel Zelaya Rosales | | |
 |  | CROATIA | (Zagreb) |  | President Stipe Mesich | | |
 |  | HAITI | (Port Au Prince) |  | President Rene Preval | | |
 |  | HUNGARY | (Budapest a) |  | President Laszlo Solyom | | |
 |  | INDONESIA | (Jakarta akn + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Susilo Bambang Yudhoyono | | |
 |  | IRELAND | (Dublin) |  | President Mary McAleese | | |
 |  | ISRAEL | (Jerusalem aruy + Tel Aviv-Jaffa imn) |  | President Shimon Peres | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w + Mysore r) |  | President Pratibha Patil | | |
 |  | IRAQ | (Baghdad a + Camp Victory m + Kerbala y + Najaf y) |  | President Jalal Talabani | | |
 |  | IRAN | (Tehran a + Qum y) |  | Supreme Leader Ayatollah Ali Khamenei | | |
 |  | ITALY | (Rome a) |  | President Giorgio Napolitano | | |
 |  | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
 |  | JORDAN | (Amman) |  | King Abdullah II | | |
 |  | JAPAN | (Tokyo an + Kyoto r + Nasu s + Shimoda s + Hayama w) |  | Emperor Akihito | | |
 |  | KENYA | (Nairobi) |  | President Emilio Mwai Kibaki | | |
 |  | KYRGYZSTAN | (Bishkek) |  | President Kurmanbek Bakiyev | | |
 |  | CAMBODIA | (Phnom Penh a + Siem Reap r) |  | King Norodom Sihamoni | | |
 |  | COMOROS | (Moroni a) |  | Ahmed Abdallah Mohamed Sambi | | |
 |  | SAINT KITTS AND NEVIS | (Basseterre) | | Queen Elizabeth II | | |
 |  | NORTH KOREA | (Pyongyang a) |  | Kim Jong-Il | | |
 |  | SOUTH KOREA | (Seoul a + Gyeryong m) |  | President Lee Myung-Bak | | |
 |  | KUWAIT | (Kuwait City a + Bayan lr) |  | Emir Sheikh Sabah IV Al Ahmad Al Jabir Al Sabah | | |
 |  | KAZAKHSTAN | (Astana a) |  | President Nursultan Nazarbayev | | |
 |  | LAOS | (Vientiane) |  | Choummaly Sayasone | | |
 |  | LEBANON | (Beirut a + Baabda r + Yarze m + Hadeth d) |  | President Michel Suleiman | | |
 |  | SAINT LUCIA | (Castries) | | Queen Elizabeth II | | |
 |  | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) |  | President Mahinda Rajapaksa | | |
 |  | LIBERIA | (Monrovia) |  | President Ellen Johnson-Sirleaf | | |
 |  | LESOTHO | (Maseru a) |  | King Letsie III | | |
 |  | LITHUANIA | (Vilnius) |  | President Valdas Adamkus | | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duke Henri | | |
 |  | LIBYA | (Tripoli a) |  | Guide Muammar Gaddafi | | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI | | |
 |  | MONACO | (Monaco q) |  | Prince Albert II | | |
 |  | MOLDOVA | (Chisinau) |  | President Vladimir Voronin | | |
 |  | MONTENEGRO | (Podgoritsa a + Cetinje hr) |  | President Filip Vujanovich | | |
 |  | MADAGASCAR | (Tananarive) |  | President Marc Ravalomanana | | |
 |  | MACEDONIA | (Skopje) |  | President Branko Crvenkovski | | |
 |  | MALI | (Bamako) |  | President Amadou Toumani Toure | | |
 |  | MYANMAR | (Naypyidaw a + Yangon bny) |  | Than Shwe | | |
 |  | MONGOLIA | (Ulan-Bator) |  | President Nambaryn Enkhbayar | | |
 |  | MAURITANIA | (Nouakchott) |  | General Mohammed Ould Abdelaziz | | |
 |  | MALTA | (Valletta a + Attard r + Siggiewi s) |  | President Edward Fenech-Adami | | |
 |  | MAURITIUS | (Port Louis a + Reduit in Moka r) |  | President Sir Anerood Jugnauth | | |
 |  | MALDIVES | (Male) |  | President Mohamed Nasheed | | |
 |  | MALAWI | (Lilongwe al + Blantyre jn) |  | President Bingu wa Mutharika | | |
 |  | MEXICO | (Mexico City) |  | President Felipe Calderon | | |
 |  | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejklnry) |  | Sultan Mizan Zainal Abidin | | |
 |  | MOZAMBIQUE | (Maputo) |  | President Armando Guebuza | | |
 |  | NAMIBIA | (Windhoek) |  | President Hifikepunye Pohamba | | |
 |  | NIGER | (Niamey) |  | President Mamadou Tandja | | |
 |  | NIGERIA | (Abuja a + Lagos kmn) |  | President Umaru Yar'Adua | | |
 |  | NICARAGUA | (Managua) |  | President Daniel Ortega | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlmr + Wassenaar r) |  | Queen Beatrix | | |
 |  | NORWAY | (Oslo) |  | King Harald V | | |
 |  | NEPAL | (Kathmandu) |  | President Ram Baran Yadav | | |
 |  | NEW ZEALAND | (Wellington) | | Queen Elizabeth II |  | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PANAMA | (Panama City) |  | President Martin Torrijos Espino | | |
 |  | PERU | (Lima a + Arequipa d + Cusco h) |  | President Alan Garcia | | |
 |  | PAPUA NEW GUINEA | (Port Moresby) | | Queen Elizabeth II | | |
 |  | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) |  | President Gloria Macapagal-Arroyo | | |
 |  | PAKISTAN | (Islamabad a + Lahore ky + Rawalpindi m) |  | President Asif Ali Zardari | | |
 |  | POLAND | (Warsaw ac) |  | President Lech Kaczynski | | |
 |  | PORTUGAL | (Lisbon) |  | President Anibal Cavaco Silva | | |
 |  | PARAGUAY | (Assumption) |  | President Fernando Lugo | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Hamad bin Khalifah Al Thani | | |
 |  | ROMANIA | (Bucharest) |  | President Traian Basescu | | |
 |  | SERBIA | (Belgrade) |  | President Boris Tadich | | |
 |  | RUSSIA | (Moscow a + Saint Petersburg d + Sochi s + Valdai s) |  | President Dmitry Medvedev | | |
 |  | RWANDA | (Kigali) |  | President Paul Kagame | | |
 |  | SAUDI ARABIA | (Riyadh a + Mecca y) |  | King Abdullah | | |
 |  | SEYCHELLES | (Port Victoria) |  | President James Michel | | |
 |  | SUDAN | (Khartoum a) |  | President Omar Al-Bashir | | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav | | |
 |  | SLOVENIA | (Ljubljana) |  | President Danilo Turk | | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Ivan Gasparovic | | |
 |  | SIERRA LEONE | (Freetown) |  | President Ernest Bai Koroma | | |
 |  | SENEGAL | (Dakar) |  | President Abdoulaye Wade | | |
 |  | SOMALIA | (Mogadishu a + Baidoa q) |  | Sheikh Adan Mohamed Nuur Madobe | | |
 |  | SURINAME | (Paramaribo) |  | President Ronald Venetiaan | | |
 |  | SAO TOME AND PRINCIPE | (Sao Tome) |  | President Fradique de Menezes | | |
 |  | EL SALVADOR | (San Salvador) |  | President Elias Antonio Saca Gonzalez | | |
 |  | SYRIA | (Damascus) |  | President Bashar Al-Assad | | |
 |  | SWAZILAND | (Mbabane aej + Lobamba jlr) |  | King Mswati III | | |
 |  | CHAD | (Ndjamena) |  | President Idriss Deby Itno | | |
 |  | TOGO | (Lome) |  | President Faure Gnassingbe | | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej | | |
 |  | TAJIKISTAN | (Dushanbe) |  | President Emomali Rakhmonov | | |
 |  | TIMOR-LESTE | (Dili) |  | President Jose Manuel Ramos-Horta | | |
 |  | TURKMENISTAN | (Ashgabat) |  | President Arkadag Gurbanguly Berdymukhammedov | | |
 |  | TUNISIA | (Tunis) |  | President Zine El Abidine Ben Ali | | |
 |  | TONGA | (Nukualofa) |  | King George Tupou V | | |
 |  | TURKEY | (Ankara a) |  | President Abdullah Gul | | |
 |  | TRINIDAD AND TOBAGO | (Port-of-Spain) |  | President George Maxwell Richards | | |
 |  | TANZANIA | (Dodoma City aln + Dar Es Salaam jnqr) |  | President Jakaya Kikwete | | |
 |  | UKRAINE | (Kiev) |  | President Viktor Yushchenko | | |
 |  | UGANDA | (Kampala a + Entebbe r) |  | President Yoweri Museveni | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
 |  | URUGUAY | (Montevideo) |  | President Tabare Vazquez | | |
 |  | UZBEKISTAN | (Tashkent a + Durman r) |  | President Islam Karimov | | |
 |  | SAINT VINCENT AND THE GRENADINES | (Kingstown) | | Queen Elizabeth II | | |
 |  | VENEZUELA | (Caracas) |  | President Hugo Chavez | | |
 |  | VIETNAM | (Hanoi) |  | Nong Duc Manh | | |
 |  | VANUATU | (Port Vila) |  | President Kalkot Mataskelekele | | |
 |  | SAMOA | (Apia) |  | Tupuola Tufuga Efi | | |
 |  | YEMEN | (Sanaa a) |  | President Ali Abdullah Saleh | | |
 |  | SOUTH AFRICA | (Pretoria aem + Cape Town l + Bloemfontein j + Johannesburg d) |  | President Kgalema Motlanthe | | |
 |  | ZAMBIA | (Lusaka) |  | President Rupiah Banda | | |
 |  | ZIMBABWE | (Harare) |  | President Robert Mugabe | | |
Sources are available upon request.
