| State
| Government
| Head of state
| Head of government
|
| Image:Flag of Afghanistan.svg Afghanistan
| presidential republic
|
|
| Image:Flag of Albania.svg Albania
| parliamentary republic
| President Bamir Topi
| Prime Minister Sali Berisha
|
| Image:Flag of Algeria.svg Algeria
| semi-presidential republic
| President Abdelaziz Bouteflika
| Prime Minister Abdelaziz Belkhadem
|
| Image:Flag of Andorra.svg Andorra
| parliamentary monarchy
| Co-Prince Joan Enric Vives Sicília, represented by Nemesi Marqués Oste and Co-Prince Nicolas Sarkozy, represented by Philippe Massoni
| Prime Minister Albert Pintat
|
| Image:Flag of Angola.svg Angola
| presidential republic
| President José Eduardo dos Santos
| Prime Minister Fernando da Piedade Dias dos Santos
|
| Image:Flag of Antigua and Barbuda.svg Antigua and Barbuda
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Louise Lake-Tack
| Prime Minister Baldwin Spencer
|
| Image:Flag of Argentina.svg Argentina
| presidential republic
| |
| Image:Flag of Armenia.svg Armenia
| presidential republic
| President Robert Kocharyan
| Prime Minister Serzh Sargsyan
|
| Image:Flag of Australia.svg Australia
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Michael Jeffery
| Prime Minister Kevin Rudd
|
| Image:Flag of Austria.svg Austria
| parliamentary republic
| President Heinz Fischer
| Chancellor Alfred Gusenbauer
|
| Image:Flag of Azerbaijan.svg Azerbaijan
| presidential republic
| President İlham Aliyev
| Prime Minister Artur Rasizade
|
| Image:Flag of the Bahamas.svg Bahamas, The
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Arthur Dion Hanna
| Prime Minister Hubert Ingraham
|
| Image:Flag of Bahrain.svg Bahrain
| semi-constitutional monarchy
| King Hamad ibn Isa Al Khalifah
| Prime Minister Khalifah ibn Sulman Al Khalifah
|
| Image:Flag of Bangladesh.svg Bangladesh
| parliamentary republic
| President Iajuddin Ahmed
| Chief Adviser Fakhruddin Ahmed
|
| Image:Flag of Barbados.svg Barbados
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Clifford Husbands
| Prime Minister Owen Arthur
|
| Image:Flag of Belarus.svg Belarus
| presidential republic
| President Aleksandr Lukashenko
| Prime Minister Sergey Sidorsky
|
| Image:Flag of Belgium (civil).svg Belgium
| parliamentary monarchy
| King Albert II
| Prime Minister Guy Verhofstadt
|
| Image:Flag of Belize.svg Belize
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Colville Young
| Prime Minister Said Musa
|
| Image:Flag of Benin.svg Benin
| presidential republic
|
|
| Image:Flag of Bhutan.svg Bhutan
| absolute monarchy
| King Jigme Khesar Namgyal Wangchuck
| Prime Minister Kinzang Dorji
|
| Image:Flag of Bolivia.svg Bolivia
| presidential republic
|
|
| Image:Flag of Bosnia and Herzegovina.svg Bosnia and Herzegovina
| parliamentary republic
| Tripartite presidency:[2] Chairman of the Presidency Željko Komšić, Nebojša Radmanović, Haris Silajdžić
| Prime Minister Nikola Špirić
|
| Image:Flag of Botswana.svg Botswana
| presidential republic
|
|
| Image:Flag of Brazil.svg Brazil
| presidential republic
|
|
| Image:Flag of Brunei.svg Brunei
| absolute monarchy
|
|
| Image:Flag of Bulgaria.svg Bulgaria
| parliamentary republic
| President Georgi Parvanov
| Prime Minister Sergey Stanishev
|
| Image:Flag of Burkina Faso.svg Burkina Faso
| presidential republic
| President Blaise Compaoré
| Prime Minister Tertius Zongo
|
| Image:Flag of Burundi.svg Burundi
| presidential republic
|
|
| Image:Flag of Cambodia.svg Cambodia
| parliamentary monarchy
| King Norodom Sihamoni
| Prime Minister Hun Sen
|
| Image:Flag of Cameroon.svg Cameroon
| presidential republic
| President Paul Biya
| Prime Minister Ephraïm Inoni
|
| Image:Flag of Canada.svg Canada
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor General Michaëlle Jean
| Prime Minister Stephen Harper
|
| Image:Flag of Cape Verde.svg Cape Verde
| semi-presidential republic
| President Pedro Pires
| Prime Minister José Maria Neves
|
| Image:Flag of the Central African Republic.svg Central African Republic
| presidential republic
| President François Bozizé
| Prime Minister Élie Doté
|
| Image:Flag of Chad.svg Chad
| presidential republic
| President Idriss Déby
| Prime Minister Delwa Kassiré Koumakoye
|
| Image:Flag of Chile.svg Chile
| presidential republic
|
|
| Image:Flag of the Republic of China.svg China, Republic of (Taiwan)
| semi-presidential republic
| President Chen Shui-bian
| Premier Chang Chun-hsiung
|
| Image:Flag of the People's Republic of China.svg China, People's Republic of
| socialist republic[3]
| President Hu Jintao
| Premier Wen Jiabao
|
| Image:Flag of Colombia.svg Colombia
| presidential republic
|
|
| Image:Flag of the Comoros.svg Comoros
| presidential republic
|
|
| Image:Flag of the Democratic Republic of the Congo.svg Congo, Democratic Republic of the
| semi-presidential republic
| President Joseph Kabila
| Prime Minister Antoine Gizenga
|
| Image:Flag of the Republic of the Congo.svg Congo, Republic of the
| presidential republic
|
|
| Image:Flag of Costa Rica.svg Costa Rica
| presidential republic
|
|
| Image:Flag of Cote d'Ivoire.svg Côte d'Ivoire
| presidential republic
| President Laurent Gbagbo
| Prime Minister Guillaume Soro
|
| Image:Flag of Croatia.svg Croatia
| parliamentary republic
| President Stjepan Mesić
| Prime Minister Ivo Sanader
|
| Image:Flag of Cuba.svg Cuba
| socialist republic
|
|
| Image:Flag of Cyprus.svg Cyprus
| presidential republic
|
|
| Image:Flag of the Czech Republic.svg Czech Republic
| parliamentary republic
| President Václav Klaus
| Prime Minister Mirek Topolánek
|
| Image:Flag of Denmark.svg Denmark
| parliamentary monarchy
| Queen Margrethe II
| Prime Minister Anders Fogh Rasmussen
|
| Image:Flag of Djibouti.svg Djibouti
| presidential republic
| President Ismail Omar Guelleh
| Prime Minister Dileita Mohamed Dileita
|
| Image:Flag of Dominica.svg Dominica
| parliamentary republic
| President Nicholas Liverpool
| Prime Minister Roosevelt Skerrit
|
| Image:Flag of the Dominican Republic.svg Dominican Republic
| presidential republic
|
|
| Image:Flag of East Timor.svg Timor-Leste
| parliamentary republic
| President José Ramos Horta
| Prime Minister Xanana Gusmão
|
| Image:Flag of Ecuador.svg Ecuador
| presidential republic
|
|
| Image:Flag of Egypt.svg Egypt
| presidential republic
| President Hosni Mubarak
| Prime Minister Ahmed Nazif
|
| Image:Flag of El Salvador.svg El Salvador
| presidential republic
|
|
| Image:Flag of Equatorial Guinea.svg Equatorial Guinea
| presidential republic
| President Teodoro Obiang Nguema Mbasogo
| Prime Minister Ricardo Mangue Obama Nfubea
|
| Image:Flag of Eritrea.svg Eritrea
| parliamentary republic
|
|
| Image:Flag of Estonia.svg Estonia
| parliamentary republic
| President Toomas Hendrik Ilves
| Prime Minister Andrus Ansip
|
| Image:Flag of Ethiopia.svg Ethiopia
| parliamentary republic
| President Girma Wolde-Giorgis
| Prime Minister Meles Zenawi
|
| Image:Flag of Fiji.svg Fiji
| de jure parliamentary republic
| President Josefa Iloilo
| Prime Minister Frank Bainimarama
|
| Image:Flag of Finland.svg Finland
| semi-presidential republic
| President Tarja Halonen
| Prime Minister Matti Vanhanen
|
| Image:Flag of France.svg France
| semi-presidential republic
| President Nicolas Sarkozy
| Prime Minister François Fillon
|
| Image:Flag of Gabon.svg Gabon
| presidential republic
| President Omar Bongo
| Prime Minister Jean Eyeghe Ndong
|
| Image:Flag of The Gambia.svg Gambia, The
| presidential republic
|
|
| Image:Flag of Georgia.svg Georgia
| presidential republic
| Acting President Nino Burjanadze
| Prime Minister Lado Gurgenidze
|
| Image:Flag of Germany.svg Germany
| parliamentary republic
| President Horst Köhler
| Chancellor Angela Merkel
|
| Image:Flag of Ghana.svg Ghana
| presidential republic
|
|
| Image:Flag of Greece.svg Greece
| parliamentary republic
| President Karolos Papoulias
| Prime Minister Kostas Karamanlis
|
| Image:Flag of Grenada.svg Grenada
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Daniel Williams
| Prime Minister Keith Mitchell
|
| Image:Flag of Guatemala.svg Guatemala
| presidential republic
|
|
| Image:Flag of Guinea.svg Guinea
| presidential republic
| President Lansana Conté
| Prime Minister Lansana Kouyaté
|
| Image:Flag of Guinea-Bissau.svg Guinea-Bissau
| presidential republic
| President João Bernardo Vieira
| Prime Minister Martinho Ndafa Kabi
|
| Image:Flag of Guyana.svg Guyana
| presidential republic
| President Bharrat Jagdeo
| Prime Minister Sam Hinds
|
| Image:Flag of Haiti.svg Haiti
| presidential republic
| President René Préval
| Prime Minister Jacques-Édouard Alexis
|
| Image:Flag of Honduras.svg Honduras
| presidential republic
|
|
| Image:Flag of Hungary.svg Hungary
| parliamentary republic
| President László Sólyom
| Prime Minister Ferenc Gyurcsány
|
| Image:Flag of Iceland.svg Iceland
| parliamentary republic
| President Ólafur Ragnar Grímsson
| Prime Minister Geir Haarde
|
| Image:Flag of India.svg India
| parliamentary republic
| President Pratibha Patil
| Prime Minister Manmohan Singh
|
| Image:Flag of Indonesia.svg Indonesia
| presidential republic
|
|
| Image:Flag of Iran.svg Iran
| presidential republic under theocratic tutelage
|
|
| Image:Flag of Iraq.svg Iraq
| parliamentary republic
| President Jalal Talabani
| Prime Minister Nouri al-Maliki
|
| Image:Flag of Ireland.svg Ireland
| parliamentary republic
| President Mary McAleese
| Taoiseach (Prime Minister) Bertie Ahern
|
| Image:Flag of Israel.svg Israel
| parliamentary republic
| President Shimon Peres
| Prime Minister Ehud Olmert
|
| Image:Flag of Italy.svg Italy
| parliamentary republic
| President Giorgio Napolitano
| Prime Minister Romano Prodi
|
| Image:Flag of Jamaica.svg Jamaica
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Kenneth O. Hall
| Prime Minister Bruce Golding
|
| Image:Flag of Japan.svg Japan
| parliamentary monarchy
| Emperor Akihito[4]
| Prime Minister Yasuo Fukuda
|
| Image:Flag of Jordan.svg Jordan
| semi-constitutional monarchy
| King Abdullah II
| Prime Minister Nader al-Dahabi
|
| Image:Flag of Kazakhstan.svg Kazakhstan
| presidential republic
| President Nursultan Nazarbayev
| Prime Minister Karim Masimov
|
| Image:Flag of Kenya.svg Kenya
| presidential republic
|
|
| Image:Flag of Kiribati.svg Kiribati
| presidential republic
|
|
| Image:Flag of North Korea.svg Korea, North
| socialist republic
| Eternal President[5] (the late) Kim Il-sung;
Chairman of the National Defence Commission Kim Jong-il (regarded as "highest administrative authority");
Head of State for Foreign Affairs as Chairman of the Presidium of the Supreme People's Assembly Kim Yong-nam
| Premier Kim Yong-il
|
| Image:Flag of South Korea.svg Korea, South
| presidential republic
| President Roh Moo Hyun
President-elect Lee Myung-bak
| Prime Minister Han Duck-soo
|
| Image:Flag of Kuwait.svg Kuwait
| semi-constitutional monarchy
| Emir Sabah Al-Ahmad Al-Jaber Al-Sabah
| Prime Minister Nasser Al-Mohammed Al-Ahmed Al-Sabah
|
| Image:Flag of Kyrgyzstan.svg Kyrgyzstan
| presidential republic
| President Kurmanbek Bakiyev
| Prime Minister Igor Chudinov
|
| Image:Flag of Laos.svg Laos
| socialist republic
| President Choummaly Sayasone
| Prime Minister Bouasone Bouphavanh
|
| Image:Flag of Latvia.svg Latvia
| parliamentary republic
| President Valdis Zatlers
| Prime Minister Ivars Godmanis
|
| Image:Flag of Lebanon.svg Lebanon
| semi-presidential confessional republic
| President position vacant
| Prime Minister Fouad Siniora
|
| Image:Flag of Lesotho.svg Lesotho
| parliamentary monarchy
| King Letsie III
| Prime Minister Pakalitha Mosisili
|
| Image:Flag of Liberia.svg Liberia
| presidential republic
|
|
| Image:Flag of Libya.svg Libya
| socialist republic
| President Zentani Muhammad az-Zentani (official head of state); Leader of the Revolution Muammar al-Gaddafi (de facto head of state)
| Prime Minister Baghdadi Mahmudi
|
| Image:Flag of Liechtenstein.svg Liechtenstein
| semi-constitutional monarchy
| Sovereign Prince Hans-Adam II;
Prince-Regent Alois
| Head of Government Otmar Hasler
|
| Image:Flag of Lithuania.svg Lithuania
| parliamentary republic
| President Valdas Adamkus
| Prime Minister Gediminas Kirkilas
|
| Image:Flag of Luxembourg.svg Luxembourg
| parliamentary monarchy
| Grand Duke Henri
| Prime Minister Jean-Claude Juncker
|
| Image:Flag of Macedonia.svg Macedonia, Republic of
| semi-presidential republic
| President Branko Crvenkovski
| Prime Minister Nikola Gruevski
|
| Image:Flag of Madagascar.svg Madagascar
| presidential republic
| President Marc Ravalomanana
| Prime Minister Charles Rabemananjara
|
| Image:Flag of Malawi.svg Malawi
| presidential republic
|
|
| Image:Flag of Malaysia.svg Malaysia
| constitutional monarchy
| Yang di-Pertuan Agong (King) Mizan Zainal Abidin
| Prime Minister Dato' Seri Abdullah Ahmad Badawi
|
| Image:Flag of Maldives.svg Maldives
| presidential republic
|
|
| Image:Flag of Mali.svg Mali
| presidential republic
| President Amadou Toumani Touré
| Prime Minister Modibo Sidibé
|
| Image:Flag of Malta.svg Malta
| parliamentary republic
| President Edward Fenech Adami
| Prime Minister Lawrence Gonzi
|
| Image:Flag of the Marshall Islands.svg Marshall Islands
| presidential republic
|
|
| Image:Flag of Mauritania.svg Mauritania
| parliamentary republic
| President Sidi Ould Cheikh Abdallahi
| Prime Minister Zeine Ould Zeidane
|
| Image:Flag of Mauritius.svg Mauritius
| parliamentary republic
| President Anerood Jugnauth
| Prime Minister Navin Ramgoolam
|
| Image:Flag of Mexico.svg Mexico
| presidential republic
|
|
| Image:Flag of Micronesia.svg Federated States of Micronesia
| presidential republic
|
|
| Image:Flag of Moldova.svg Moldova
| semi-presidential republic
| President Vladimir Voronin
| Prime Minister Vasile Tarlev
|
| Image:Flag of Monaco.svg Monaco
| semi-constitutional monarchy
| Sovereign Prince Albert II
| Minister of State Jean-Paul Proust
|
| Image:Flag of Mongolia.svg Mongolia
| semi-presidential republic
| President Nambaryn Enkhbayar
| Prime Minister Sanjaagiin Bayar
|
| Image:Flag of Montenegro.svg Montenegro
| parliamentary republic
| President Filip Vujanović
| Prime Minister Željko Šturanović
|
| Image:Flag of Morocco.svg Morocco
| semi-constitutional monarchy
| King Muhammad VI
| Prime Minister Abbas El Fassi
|
| Image:Flag of Mozambique.svg Mozambique
| presidential republic
|
|
| Image:Flag of Myanmar.svg Burma
| military junta
| Chairman of the State Peace and Development Council Than Shwe
| Prime Minister Thein Sein
|
| Image:Flag of Namibia.svg Namibia
| presidential republic
|
|
| Image:Flag of Nauru.svg Nauru
| parliamentary republic
|
|
| Image:Flag of Nepal.svg Nepal
| interim government
| King Gyanendra (suspended)
Acting Head of State Girija Prasad Koirala
| Prime Minister Girija Prasad Koirala
|
| Image:Flag of the Netherlands.svg Netherlands
| parliamentary monarchy
| Queen Beatrix
| Prime Minister Jan Peter Balkenende
|
| Image:Flag of New Zealand.svg New Zealand
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General of New Zealand Anand Satyanand
| Prime Minister Helen Clark
|
| Image:Flag of Nicaragua.svg Nicaragua
| presidential republic
|
|
| Image:Flag of Niger.svg Niger
| presidential republic
| President Tandja Mamadou
| Prime Minister Seyni Oumarou
|
| Image:Flag of Nigeria.svg Nigeria
| presidential republic
|
|
| Image:Flag of Norway.svg Norway
| parliamentary monarchy
| King Harald V
| Prime Minister Jens Stoltenberg
|
| Image:Flag of Oman.svg Oman
| absolute monarchy
|
|
| Image:Flag of Pakistan.svg Pakistan
| parliamentary republic
| President Pervez Musharraf
| Prime Minister Muhammad Mian Soomro
|
| Image:Flag of Palau.svg Palau
| presidential republic
|
|
| Image:Flag of Panama.svg Panama
| presidential republic
|
|
| Image:Flag of Papua New Guinea.svg Papua New Guinea
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Paulias Matane
| Prime Minister Michael Somare
|
| Image:Flag of Paraguay.svg Paraguay
| presidential republic
|
|
| Image:Flag of Peru.svg Peru
| presidential republic
| President Alan García
| Prime Minister Jorge del Castillo
|
| Image:Flag of the Philippines.svg Philippines
| presidential republic
|
|
| Image:Flag of Poland.svg Poland
| parliamentary republic
| President Lech Kaczyński
| Prime Minister Donald Tusk
|
| Image:Flag of Portugal.svg Portugal
| parliamentary republic
| President Aníbal Cavaco Silva
| Prime Minister José Sócrates
|
| Image:Flag of Qatar.svg Qatar
| absolute monarchy
| Emir Hamad ibn Khalifa Al Thani
| Prime Minister Hamad ibn Jaber Al Thani
|
| Image:Flag of Romania.svg Romania
| semi-presidential republic
| President Traian Băsescu
| Prime Minister Călin Popescu-Tăriceanu
|
| Image:Flag of Russia.svg Russia
| semi-presidential republic
| President Vladimir Putin
| Prime Minister Viktor Zubkov
|
| Image:Flag of Rwanda.svg Rwanda
| presidential republic
| President Paul Kagame
| Prime Minister Bernard Makuza
|
| Image:Flag of Western Sahara.svg Sahrawi Arab Democratic Republic
| parliamentary republic
| President Mohamed Abdelaziz
| Prime Minister Abdelkader Taleb Oumar
|
| Image:Flag of Saint Kitts and Nevis.svg Saint Kitts and Nevis
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Cuthbert Sebastian
| Prime Minister Denzil Douglas
|
| Image:Flag of Saint Lucia.svg Saint Lucia
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Pearlette Louisy
| Prime Minister Stephenson King
|
| Image:Flag of Saint Vincent and the Grenadines.svg Saint Vincent and the Grenadines
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Frederick Ballantyne
| Prime Minister Ralph Gonsalves
|
| Image:Flag of Samoa.svg Samoa
| parliamentary republic
| O le Ao o le Malo (President) Tupuola Tufuga Efi
| Prime Minister Tuila'epa Sailele Malielegaoi
|
| Image:Flag of San Marino.svg San Marino
| parliamentary republic
|
|
| Image:Flag of Sao Tome and Principe.svg São Tomé and Príncipe
| semi-presidential republic
| President Fradique de Menezes
| Prime Minister Tomé Vera Cruz
|
| Image:Flag of Saudi Arabia.svg Saudi Arabia
| absolute monarchy
|
|
| Image:Flag of Senegal.svg Senegal
| presidential republic
| President Abdoulaye Wade
| Prime Minister Cheikh Hadjibou Soumaré
|
| Image:Flag of Serbia.svg Serbia
| semi-presidential republic
| President Boris Tadić
| Prime Minister Vojislav Koštunica
|
| Image:Flag of the Seychelles.svg Seychelles
| presidential republic
|
|
| Image:Flag of Sierra Leone.svg Sierra Leone
| presidential republic
|
|
| Image:Flag of Singapore.svg Singapore
| parliamentary republic
| President Sellapan Ramanathan
| Prime Minister Lee Hsien Loong
|
| Image:Flag of Slovakia.svg Slovakia
| parliamentary republic
| President Ivan Gašparovič
| Prime Minister Robert Fico
|
| Image:Flag of Slovenia.svg Slovenia
| parliamentary republic
| President Danilo Türk
| Prime Minister Janez Janša
|
| Image:Flag of the Solomon Islands.svg Solomon Islands
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Nathaniel Waena
| Prime Minister Derek Sikua
|
| Image:Flag of Somalia.svg Somalia
| de jure semi-presidential republic
| President Abdullahi Yusuf Ahmed
| Prime Minister Nur Hassan Hussein
|
| Image:Flag of South Africa.svg South Africa
| presidential republic
|
|
| Image:Flag of Spain.svg Spain
| parliamentary monarchy
| King Juan Carlos I
| President of the Government José Luis Rodríguez Zapatero
|
| Image:Flag of Sri Lanka.svg Sri Lanka
| semi-presidential republic
|
|
| Image:Flag of Sudan.svg Sudan
| presidential republic
|
|
| Image:Flag of Suriname.svg Suriname
| presidential republic
|
|
| Image:Flag of Swaziland.svg Swaziland
| absolute monarchy
| King Mswati III
| Prime Minister Themba Dlamini
|
| Image:Flag of Sweden.svg Sweden
| parliamentary monarchy
| King Carl XVI Gustaf
| Prime Minister Fredrik Reinfeldt
|
| Image:Flag of Switzerland.svg Switzerland
| parliamentary republic
|
|
| Image:Flag of Syria.svg Syria
| presidential republic
| President Bashar al-Assad
| Prime Minister Muhammad Naji al-Otari
|
| Image:Flag of Tajikistan.svg Tajikistan
| presidential republic
| President Emomalii Rahmon
| Prime Minister Oqil Oqilov
|
| Image:Flag of Tanzania.svg Tanzania
| presidential republic
|
|
| Image:Flag of Thailand.svg Thailand
| constitutional monarchy
| King Bhumibol Adulyadej
| Prime Minister Surayud Chulanont
|
| Image:Flag of Togo.svg Togo
| presidential republic
| President Faure Gnassingbé
| Prime Minister Komlan Mally
|
| Image:Flag of Tonga.svg Tonga
| parliamentary monarchy
| King George Tupou V
| Prime Minister Feleti Sevele
|
| Image:Flag of Trinidad and Tobago.svg Trinidad and Tobago
| parliamentary republic
| President George Maxwell Richards
| Prime Minister Patrick Manning
|
| Image:Flag of Tunisia.svg Tunisia
| presidential republic
| President Zine El Abidine Ben Ali
| Prime Minister Mohamed Ghannouchi
|
| Image:Flag of Turkey.svg Turkey
| parliamentary republic
| President Abdullah Gül
| Prime Minister Recep Tayyip Erdoğan
|
| Image:Flag of Turkmenistan.svg Turkmenistan
| presidential republic
|
|
| Image:Flag of Tuvalu.svg Tuvalu
| parliamentary monarchy[1]
| Queen Elizabeth II, represented by Governor-General Filoimea Telito
| Prime Minister Apisai Ielemia
|
| Image:Flag of Uganda.svg Uganda
| presidential republic
|
|
| Image:Flag of Ukraine.svg Ukraine
| semi-presidential republic
| President Viktor Yushchenko
| Prime Minister Yulia Tymoshenko
|
| Image:Flag of the United Arab Emirates.svg United Arab Emirates
| semi-constitutional monarchy
| President Khalifa bin Zayed Al Nahayan
| Prime Minister Mohammed bin Rashid Al Maktoum
|
| Image:Flag of the United Kingdom.svg United Kingdom
| parliamentary monarchy[1]
| Queen Elizabeth II
| Prime Minister Gordon Brown
|
| Image:Flag of the United States.svg United States
| presidential republic
|
|
| Image:Flag of Uruguay.svg Uruguay
| presidential republic
|
|
| Image:Flag of Uzbekistan.svg Uzbekistan
| presidential republic
| President Islom Karimov
| Prime Minister Shavkat Mirziyoyev
|
| Image:Flag of Vanuatu.svg Vanuatu
| parliamentary republic
| President Kalkot Mataskelekele
| Prime Minister Ham Lini
|
| Image:Flag of the Vatican City.svg Vatican City
| absolute monarchy
| Sovereign of the State Benedict XVI
| President of the Governorate Giovanni Lajolo
|
| Image:Flag of Venezuela.svg Venezuela
| presidential republic
|
|
| Image:Flag of Vietnam.svg Vietnam
| socialist republic
| President Nguyễn Minh Triết
| Prime Minister Nguyễn Tấn Dũng
|
| Image:Flag of Yemen.svg Yemen
| presidential republic
| President Ali Abdullah Saleh
| Prime Minister Ali Muhammad Mujawar
|
| Image:Flag of Zambia.svg Zambia
| presidential republic
|
|
| Image:Flag of Zimbabwe.svg Zimbabwe
| presidential republic
|
|
et:Riigipeade ja valitsusjuhtide koondtabel
el:Κατάλογος ηγετών των ανεξάρτητων κρατών του κόσμου
es:Anexo:Jefes de Estado y de Gobierno en el poder
fr:Liste des dirigeants actuels
hr:Popis šefova država i vlada
nl:Lijst van huidige staatshoofden en regeringsleiders
ja:世界各国の指導者一覧
ps:ولسمشران
pl:Lista szefów państw i rządów
pt:Anexo:Lista de chefes de estado e de governo que estão no poder
ru:Список действующих руководителей государств
simple:List of main current country rulers
sl:Seznam voditeljev držav
sr:Списак шефова држава и влада
th:รายนามผู้นำประเทศทั่วโลก
vi:Danh sách lãnh tụ quốc gia
zh:世界各国领导人列表
