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]

Three colours[edit]

Four colours[edit]

Five colours[edit]