List of flags by number of colors
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Flags of the world's nations vary in the number of colours, ranging from one colour to more than forty.[citation needed]
One colour[edit]
Abbasid Caliphate (750–1258)
Adamawa, Nigeria
Afghanistan (September 27, 1996 – October 26, 1997)
Ahmadnagar Sultanate (May 28, 1490 – 1636)
Akkalkot (1848–1947)
Aundh (1699–1948)
Aussa (1734–1936)
Ayutthaya (1680–1767)
Ayyubid dynasty (1171–1260)
Baroda (?–1874)
Basud, Camarines Norte
Bavarian Soviet Republic (1919)
Bremen Soviet Republic (1918–1919)
Bruneian Sultanate (1368–1906)
Bundi (1342–1949)
Candelaria, Cuscatlán, El Salvador
Cochabamba, Bolivia
Fatimid Caliphate (909–1171)
Finnish Socialist Workers' Republic (1918–1918)
France (1814–1830)
Gwalior (1731–1818)
Hammadid Dynasty (1014–1152)
Hotak Dynasty (1709–1738)
Hungarian Soviet Republic (1919)
Indore (1732–1818)
Jammu and Kashmir (1846–1952)
Jhalawar (1838–1949)
Jhansi (1728–1858)
Karauli (1348–1948)
Kolhapur (1710–1949)
Korean People's Association in Manchuria (1929–1931)
Kurundvad Junior (1733–1948)
Kurundvad Senior (1733–1948)
Kuban-Black Sea Soviet Republic (1918)
Libya (1977–2011)
Maguindanao (1520–1905)
Maldives (1796–1903)
Maratha Empire (1674–1818)
Muscat and Oman (1856–1970)
Nagpur (1739–1853)
Principality of Najran (1633–1934)
Nitra, Slovakia
Nizari Ismaili state (1162–1256)
North Caucasian Soviet Republic (1918)
Oruro, Bolivia
Qutb Shahi (1518–1687)
Paracale, Camarines Norte
Rustamid Dynasty (777–909)
Sangli (1782–1948)
Slovak Soviet Republic (1919–1919)
Libyan Arab Jamahiriya (1977–2011)
Sokoto Caliphate
Zamfara, Nigeria
Zirid Dynasty (973–1146)
Crimean People's Republic
Two colours[edit]
Abu Dhabi
Aceh Sultanate
Achaemenid Empire
Adal Sultanate
Adygea
Afghanistan
Aichi
Akita
Alabama[1][2]
Alash Autonomy
Alaska[3]
Albania
Albania (civil ensign)
Albuquerque
Altai Republic
Amhara
Anarcho-syndicalism
Antarctic Treaty
Antioquia
Aomori
Archipelago of San Andrés, Providencia and Santa Catalina
Argentina (civil flag and ensign)
Asturias
Aswan Governorate
Atlanta
Austria
Austrian Empire[4][5][6]
Baden-Württemberg
Bahrain[7][8][9]
Balochistan
Bangkok
Bangladesh
Bangladesh (civil ensign)
Banjar
Banská Bystrica, Slovakia
Barotseland
Bavaria
Bishkek
Bohemia (12th century-1918)
Bratislava, Slovakia
Brazil (naval jack)
Bremen
Brno, Czech Republic
Brittany
Canada[10]
Catalonia[11]
Cerro Largo Department
Naval Jack of Chile
China
People's Republic of China (army flag)
Naval jack of the Republic of China
Chuvashia[12][13]
Cornwall[14]
Crimean Khanate
Crimean Tatars
Deli
Delhi Sultanate
Denmark[15][16]
Denmark (state flag and ensign)
Denmark (naval ensign)
District of Columbia
Dubai
El Salvador
England
European Union
Finland
Canton of Fribourg
Fukui
Fukuoka
Fukushima
Galicia
Georgia
Gifu
Gilgit-Baltistan
Greece
Greece (air force ensign)
Greece (naval jack)
Greenland
Guatemala (civil flag and ensign)
Guayas
Gunma
First Empire of Haiti
Haiti (civil flag and ensign)
Hesse
Hiroshima
Honduras
Honduras (naval ensign)
Hong Kong
Hyōgo
Ibaraki
Indiana
Indonesia
Israel
Jammu and Kashmir
Japan
Japan (naval ensign and flag of the Japan Maritime Self-Defense Force)
Canton of Jura
Ishikawa
Iwate
Kachin State
Kagawa
Kanagawa
Kazakhstan
Kelantan
Khyber Pakhtunkhwa
Klatovy, Czech Republic
Kōchi
Khwarazmian Empire
Korean Unification Flag
Kraków
Kumamoto
Kyrgyzstan
Lanfang Republic
Latvia
Lombardy
City of London
Canton of Lucerne
Macedonia (Greece)
Malta
Marseille
Meta Department
Federated States of Micronesia
Mie
Milan
Minneapolis
Miyagi
Miyazaki
Moldavia
Monaco
Morocco
Most, Czech Republic
Munich
Náchod, Czech Republic
Nagano
Nagasaki
Naples
Nara
New Mexico
Nigeria
Niigata
Principality of Nitra
Norfolk Island
North Brabant
North Macedonia
Northern Cyprus
Ōita
Okayama
Okinawa
Oklahoma City
Oregon
Osaka
Ottoman Empire
Pahang
Pakistan
Palau
Perlis
Persian Socialist Soviet Republic
Peru
Písek, Czech Republic
Poland[17][18]
Poltava Oblast
Potosí
Prague
Punjab
Qatar
Quebec
Rome
Rotterdam
Ryukyu Kingdom (merchant flag)
Saitama
Sakhalin Oblast
Santa Cruz Department
Saudi Arabia
Scotland[19][20]
Canton of Schwyz
Sharjah
Shiga
Shihab Dynasty
Shimane
Silesian Voivodeship
Sindh
Singapore[21][22]
Slavonia
Canton of Solothurn
Somalia[23]
South Carolina
South Vietnam
Soviet Union
Spain (variant without coat of arms)
Spanish Empire
Stockholm
Sweden[24]
Switzerland
Seljuk Empire
Tanintharyi Region
Terengganu
Teutonic Order
Canton of Ticino
Tigray Region
Tochigi
Tokugawa Shogunate (naval ensign)
Tokushima
Tokyo
Tonga[25]
Tottori
Toyama
Trnava Region
Trnava, Slovakia
Trenčín, Slovakia
Trutnov, Czech Republic
Tunisia[26]
Turkey[27]
Ukraine[28]
United Nations
Ústí nad Labem, Czech Republic
Utrecht
Canton of Valais
Vienna
Vietnam
Volapük flag
Volyn Oblast
Wakayama
Wallonia
Warsaw
Yamagata
Yamaguchi
Zlín, Czech Republic
Canton of Zug
Canton of Zurich
Zwolle
Three colours[edit]
Abkhazia
Acre
Free Aceh Movement
Adjara
African Union
Alexandria
Algeria
Algeria (naval ensign)
Alphen aan den Rijn
Amazonas
Amsterdam[29]
Angola[30][31]
Arkansas
Armenia[32][33]
Artigas Flag, cooficial flag of Uruguay and former flag of Liga Federal
Aruba
Australia[34][35][36]
Australia (civil ensign)
Australia (naval ensign)
Australian Capital Territory
Ayeyarwady Region
Azad Jammu and Kashmir
Bali Kingdom
Bangladesh (naval ensign)
Bangladesh (Air ensign)
Banská Bystrica Region
Bahamas[37][38]
Bahia
Barbados[39][40]
Barcelona
Basque Country
Bayan-Ölgii Province
Belarus[41]
Belgium
Belgium (civil flag and ensign)
Belgium (state ensign)
Benevento
Benin[42][43]
Berlin
Berlín
Canton of Bern
Besançon, France
Bolivia
Bosnia and Herzegovina[44][45]
Botswana[46][47]
Bratislava Region
Bulgaria[48]
Bulungan
Bulgaria (naval jack)
Burkina Faso
Burundi
Buryatia
Cabinda Province
Camarines Norte
Cambodia
Cameroon
Naval ensign of Canada
Canelones Department
Caquetá Department
Central Lithuania
Centro Studi Ordine Nuovo
Chad
Chiba
Chicago, Illinois, USA
Chilanga
Chile
Republic of China
Army Flag of the Republic of China
Ground Force Flag of the People's Liberation Army, People's Republic of China
Air Force Flag of the People's Liberation Army, People's Republic of China
Colombia
Confederate States
Democratic Republic of the Congo
Republic of the Congo
Costa Rica (civil flag and ensign)
Crimea
Côte d'Ivoire
Cuba
Curaçao
Cyprus
Czech Republic
Dagestan
Distrito Federal
Donetsk Oblast
Drenthe
Ehime
El Salvador (civil ensign)
Emilia-Romagna
Emirate of Abdelkader
Espírito Santo
Estonia
Estonia (naval jack)
Naval Jack of Finland
Flanders
France
France (civil and naval ensign)
Friesland
Georgia (country) (naval ensign)
Gabon
Gelderland
German Empire (1871–1918)
Germany
Presidential Flag of Greece
Kingdom of Great Britain (1707–1801)
Grenada
Guernsey
Guinea
Hawaii
Hokkaido
Hungary
Hungary (state flag)
Île-de-France
Iceland[49]
Ingushetia
Iran
Ireland
Italy
Jamaica
Johor
Kabardino-Balkaria
Kagoshima
Kalmykia
Karelia
Kayin State
Kazakh SSR
Khabarovsk Krai
Khanty-Mansi Autonomous Okrug
Kingdom of Poland
Kinshasa
Kirovohrad Oblast
Komi Republic
Kosovo
Košice Region
Kurdistan (1919–1925)
Kuyavian-Pomeranian Voivodeship
Kyoto
Laos
Lebanon
Lesser Poland Voivodeship
Lethbridge, Alberta, Canada
Liberia
Lithuania
Loíza, Puerto Rico
Lower Silesian Voivodeship
Luxembourg
Ma'n Dynasty
Madagascar
Macau
Magallanes y la Antártica Chilena Region
Magdalena Department
Malawi
Maldives
Mali
Mauritania
Madrid
Mexico
Miami
Minas Gerais
Minnesota
Mississippi (2001–2020)
Molossia
Mongolia
Mordovia
Nebraska
Ñeembucú Department
Negeri Sembilan
Nepal
Netherlands (Oldest tricolor)
Nenets Autonomous Okrug
New York City
New Zealand
Nicaragua
Niger
Nitra Region
North German Confederation
North Holland
North Korea
North Ossetia-Alania
North Rhine-Westphalia
Northern Territory
Norway
Ohio
Oman
Omsk Oblast
Overijssel
Padania
Panama
Pará
Paraíba
Parbatya Chattagram Jana Samhati Samiti
Parthenopaean Republic (Naples)
Perak
Piedmont
Polish SSR
Pomeranian Voivodeship
Puerto Rico
Rakhine State
Republika Srpska
Rhenish Republic
Rhode Island
Roman Republic (18th century)
Romania
Russia
Saba
Sarawak
Sealand
Senegal
Serbia (civil flag)
Shizuoka
Sierra Leone
Slovakia
South Holland
South Ossetia
Sultanate of Sulu
Sverdlovsk Oblast
Naval ensign of South Vietnam (1952–1975)
Spain
Split-Dalmatia County
Republic of China (Taiwan)
Talas Region
Tasmania
Tatarstan
Tennessee
Texas
Thailand
Tierra del Fuego
Tocantins
Transgender Pride flag
Trenčín Region
Trinidad and Tobago
Tuva
Udmurtia
Ukrainian SSR
United Kingdom
United Kingdom (naval ensign)
United Kingdom (government ensign)
United Kingdom (civil ensign)
United States
Ensign of the Vietnam People's Navy (2014–)
Wyoming
Yamalo-Nenets Autonomous Okrug
Yamanashi
Yemen
Zabaykalsky Krai
Zavkhan Province
Four colours[edit]
Acadia
Acadiana
Afghanistan (2013–2021)[50]
Alawite State
Albania (naval ensign)
Albona Republic
Amazonas Department
Antwerp Province
Ararat
Argentina[51]
Naval Jack of Argentina
Arizona[52]
Astana
Australia (air force ensign)
Australia (civil air ensign)
Flag of the Chief of Navy of Australia
Austria-Hungary (civil ensign)
Azerbaijan
Bashkortostan
Presidential Standard of Belarus
Belgium (army flag)
Belgium (naval ensign)
Belgium (air force ensign)
Bhutan
Biafra
Brazil[53]
British Columbia
Brunei[54]
Brussels
Buenos Aires Province
Bukidnon
Byelorussian SSR
Ensign of the Royal Canadian Air Force
Flag of the Canadian Coast Guard
Cape Verde[55]
Central Province (Papua New Guinea)
Chechnya
Ensign of the People's Liberation Army Navy, People's Republic of China
Chubut
Chuy Region
Colombia (civil ensign)
Colorado
Denver, Colorado
Djibouti[56]
East Flanders
East Indonesia
East Timor[57][58]
Egypt[59][60]
Egypt (army flag)
Egypt (naval ensign)
Eritrea[61]
Ethiopia
French Sudan (1958–1959)
Gagauzia
The Gambia
Georgia
Ghana
Ghana (civil ensign)
Gibraltar
Canton of Glarus
Grenada (naval ensign)
Guanacaste Province
Guinea-Bissau
Imbabura Province
India[62]
Iraq[63]
Ba'athist Iraq (1968–2003)
Jordan[64]
Kamchatka Krai
Kedah
Kenya[65][66]
Khovd Province
Kiribati
Kuala Lumpur
Kurdistan
Kuwait[67][68][69]
Labuan
Lara
Lesotho[70]
Libya (1951–1969 and from 2011)
Liechtenstein
Limburg
Lipetsk Oblast
Loja Province
Madang
Malacca[71]
Malaysia[72]
Maranhão
Maryland
Massachusetts
Mato Grosso do Sul
Mauritius[73]
Montenegro
Murmansk Oblast
Myanmar[74]
New Ireland
New South Wales
Newfoundland and Labrador
Niue
Palestine[75]
Papua New Guinea[76]
Paralympic Games
Paraná
Philippines[77]
Prešov Region
Lordship of Prilep
Rondônia
Royal Air Force Ensign (United Kingdom)
Rwanda
Ryukyu Kingdom (1797–1879)
Saba
Sahrawi Arab Democratic Republic
Sakha Republic
Sami people
Shan State
Slovenia[78][79]
Solomon Islands
Somali Region
Somaliland[80]
Soriano Department
South Caribbean Coast
South Dakota
South Korea[81][82]
South Yemen
Sri Lanka[83]
Sudan
Suriname[84]
Syria[85][86]
Tajikistan[87]
Tanzania[88][89][90]
Tasmania
Togo[91][92]
Torres Strait Islands
Transnistria
United Arab Emirates[93][94]
Uruguay
Flag of the Treinta y Tres Orientales. cooficial flag of Uruguay
Naval Jack of Uruguay
Uvs Province
Uzbekistan[95][96]
Vanuatu
Venezuela[97][98] (civil flag)
Vojvodina
Wales
Zaire (1971–1997)
Yugoslavia
Zambia