List of flags by number of colors

Flags of the world's nations vary in the number of colours, ranging from one colour to more than forty.

One colour

 * (750–1258)
 * (September 27, 1996 – October 26, 1997)
 * (May 28, 1490 – 1636)
 * (1848–1947)
 * (1699–1948)
 * (1734–1936)
 * (1680–1767)
 * (1171–1260)
 * (?–1874)
 * (1919)
 * (1918–1919)
 * (1368–1906)
 * (1342–1949)
 * (909–1171)
 * (1918–1918)
 * (1814–1830)
 * (1731–1818)
 * (1014–1152)
 * (1709–1738)
 * (1919)
 * (1732–1818)
 * (1846–1952)
 * (1838–1949)
 * (1728–1858)
 * (1348–1948)
 * (1710–1949)
 * (1929–1931)
 * (1733–1948)
 * (1733–1948)
 * (1918)
 * (1977–2011)
 * (1520–1905)
 * (1796–1903)
 * (1674–1818)
 * (1856–1970)
 * (1739–1853)
 * (1633–1934)
 * (1162–1256)
 * (1918)
 * (1518–1687)
 * (777–909)
 * (1782–1948)
 * (1919–1919)
 * (1977–2011)
 * (973–1146)
 * (1518–1687)
 * (777–909)
 * (1782–1948)
 * (1919–1919)
 * (1977–2011)
 * (973–1146)
 * (973–1146)
 * (973–1146)
 * (973–1146)

Two colours

 * (civil ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (12th century-1918)
 * (army flag)
 * (state flag and ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (12th century-1918)
 * (army flag)
 * (state flag and ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (civil ensign)
 * (12th century-1918)
 * (army flag)
 * (state flag and ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (army flag)
 * (state flag and ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (army flag)
 * (state flag and ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (civil flag and ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (civil flag and ensign)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (naval ensign and flag of the Japan Maritime Self-Defense Force)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (merchant flag)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (variant without coat of arms)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)
 * (naval ensign)

Three colours

 * (naval ensign)
 * (civil ensign)
 * (naval ensign)
 * (naval ensign)
 * (Air ensign)
 * (civil flag and ensign)
 * (state ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (naval ensign)
 * (Air ensign)
 * (civil flag and ensign)
 * (state ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag and ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil and naval ensign)
 * (naval ensign)
 * (1871–1918)
 * (1707–1801)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (state flag)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (1919–1925)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (2001–2020)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (Oldest tricolor)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (civil flag)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (Taiwan)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * Transgender Pride flag
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (naval ensign)
 * (government ensign)
 * (civil ensign)
 * (naval ensign)
 * (government ensign)
 * (civil ensign)

Four colours

 * (2013–2021)
 * (naval ensign)
 * (air force ensign)
 * (army flag)
 * (naval ensign)
 * (air force ensign)
 * (civil ensign)
 * (naval ensign)
 * (1958–1959)
 * (civil ensign)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (army flag)
 * (naval ensign)
 * (air force ensign)
 * (civil ensign)
 * (naval ensign)
 * (1958–1959)
 * (civil ensign)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (civil ensign)
 * (naval ensign)
 * (1958–1959)
 * (civil ensign)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (civil ensign)
 * (naval ensign)
 * (1958–1959)
 * (civil ensign)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (naval ensign)
 * (1958–1959)
 * (civil ensign)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (naval ensign)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1968–2003)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1951–1969 and from 2011)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (1797–1879)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (civil flag)
 * (1971–1997)
 * (1971–1997)
 * (1971–1997)

Five colours

 * (civil ensign)
 * (naval ensign)
 * (naval ensign)
 * (air force ensign)
 * (state flag and ensign)
 * (war flag and naval ensign)
 * Jamaica (1655–1962)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (air force ensign)
 * (state flag and ensign)
 * (war flag and naval ensign)
 * Jamaica (1655–1962)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (air force ensign)
 * (state flag and ensign)
 * (war flag and naval ensign)
 * Jamaica (1655–1962)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (war flag and naval ensign)
 * Jamaica (1655–1962)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * Jamaica (1655–1962)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1912–1928)
 * (1841–1997)
 * (1593–1611)
 * (1593–1611)
 * (1593–1611)
 * (1593–1611)

Six colours

 * (civil and state ensign)
 * (naval ensign)
 * (civil ensign)
 * (government ensign)
 * (naval ensign)
 * (1557–1999)
 * (civil ensign)
 * (government ensign)
 * (naval ensign)
 * (1557–1999)
 * (1557–1999)
 * (1557–1999)
 * (1557–1999)
 * (1557–1999)
 * (1557–1999)
 * (1557–1999)

Seven colours

 * (naval ensign)
 * (with multicolored emblem), 1964–1986
 * (1983–2024)
 * (with multicolored emblem), 1964–1986
 * (1983–2024)
 * (with multicolored emblem), 1964–1986
 * (1983–2024)
 * (with multicolored emblem), 1964–1986
 * (1983–2024)
 * (1983–2024)
 * (1983–2024)
 * (1983–2024)
 * (1983–2024)

Eight colours

 * (unofficial flag)
 * (state flag)
 * (state flag)