This is a list of state leaders aged 30 or younger when they assumed office (since 1900). It does not include leaders who did not assume power in their own right, or leaders who served under colonial rule.
Name | State | Position | Born | Assumed office | At age | Notes | |
---|---|---|---|---|---|---|---|
Fuad II | King | 1952 | 1952 | 6 months | |||
Puyi | Emperor | 1906 | 1908 | 2 | |||
Gyanendra | King | 1947 | 1950 | 3 | |||
Mwambutsa IV | King | 1912 | 1915 | 3 | |||
Tenzin Gyatso | Dalai Lama | 1935 | 1940 | 4 | |||
Michael I | ![]() | King | 1921 | 1927 | 5 | ||
Simeon II | Tsar | 1937 | 1943 | 6 | |||
Duy Tân | Emperor | 1900 | 1907 | 7 | |||
Ananda Mahidol | ![]() | King | 1925 | 1935 | 9 | Assumed power following a 10-year regency. | |
Ahmad Shah Qajar | Shah | 1898 | 1909 | 11 | Assumed power following a 5-year regency. | ||
Hussein | ![]() | King | 1935 | 1952 | 16 | ||
Jigme Singye Wangchuck | ![]() | King | 1955 | 1972 | 16 | ||
Alfonso XIII | ![]() | King | 1886 | 1902 | 16 | Assumed power following a 16-year regency. | |
Tribhuvan | King | 1906 | 1923 | 17 | Assumed power following a regency since 1911. | ||
Farouk I | King | 1920 | 1937 | 17 | Assumed power following a 1-year regency. | ||
Marie-Adélaïde | ![]() | 1894 | 1912 | 17 | |||
Peter II | King | 1923 | 1941 | 17 | Assumed power following a 6-year regency. | ||
Iyasu V | Emperor | 1895 | 1913 | 18 | |||
Faisal II | King | 1935 | 1953 | 18 | Assumed power following a 14-year regency. | ||
Mswati III | 1968 | 1986 | 18 | Assumed power following a 3-year regency. | |||
Manuel II | ![]() | King | 1889 | 1908 | 18 | ||
Michael I | King | 1921 | 1940 | 18 | Was previously King from 1927 to 1930 under a regency. | ||
Bhumibol Adulyadej | King | 1927 | 1946 | 18 | |||
Ntare V | King | 1947 | 1966 | 18 | |||
Mohammad Zahir Shah | 1914 | 1933 | 19 | ||||
Norodom Sihanouk | ![]() | 1922 | 1941 | 19 | |||
Baudouin | ![]() | 1930 | 1951 | 20 | Acted as regent for his father since 1950. | ||
Mohammad Reza Pahlavi | Shah | 1919 | 1941 | 21 | |||
Hassanal Bolkiah | Sultan | 1946 | 1967 | 21 | Reigning as Sultan since 1967. | ||
Charlotte | Grand Duchess | 1896 | 1919 | 22 | |||
Alexander | King | 1893 | 1917 | 23 | |||
Constantine II | King | 1940 | 1964 | 23 | |||
Boris III | Tsar | 1894 | 1918 | 24 | |||
Jigme Dorji Wangchuck | King | 1928 | 1952 | 24 | |||
Hirohito | ![]() | Emperor | 1901 | 1926 | 25 | Acted as regent for his father since 1921. | |
Rainier III | ![]() | 1923 | 1949 | 25 | |||
Elizabeth II | ![]() | Queen | 1926 | 1952 | 25 | ||
Jigme Khesar Namgyel Wangchuck | King of Bhutan | King | 1980 | 2006 | 26 | ||
Amanullah Khan | Emir | 1892 | 1919 | 26 | |||
Moshoeshoe II | ![]() | King | 1938 | 1965 | 26 | Ruled as Paramount Chief under colonial rule since 1960. | |
Birendra | King | 1945 | 1972 | 26 | |||
Carl XVI Gustaf | ![]() | 1946 | 1973 | 27 | |||
Letsie III | King | 1963 | 1990 | 27 | |||
Vajiravudh | King | 1881 | 1910 | 29 | |||
Karl I | Emperor | 1887 | 1916 | 29 | |||
Qaboos bin Said | ![]() | Sultan | 1940 | 1970 | 29 | ||
Dipendra | King | 1971 | 2001 | 29 | |||
Vittorio Emanuele III | 1869 | 1900 | 30 |
Name | State | Position | Born | Assumed office | At age | Notes | |
---|---|---|---|---|---|---|---|
Jean-Claude Duvalier | ![]() | President | 1951 | 1971 | 19 | Became president after his father's death.[1] | |
Navaandorjiin Jadambaa | Chairman of the Presidium | 1900 | 1924 | 24 | |||
Valentine Strasser | ![]() | President | 1967 | 1992 | 25 | [2] [3] | |
Michel Micombero | ![]() | Prime Minister | 1940 | 1966 | 25 | Later became President in 1966 at 26.[4] | |
Puyi | Chief Executive | 1906 | 1932 | 26 | [5] | ||
Maria Lea Pedini-Angelini | ![]() | Captain Regent | 1954 | 1981 | 26 | [6] | |
Enzo Colombini | Captain Regent | 1958 | 1985 | 26 | [7] | ||
Giacomo Simoncini | Captain Regent | 1994 | 2021 | 26 | |||
Ahmet Zogu | Prime Minister | 1895 | 1922 | 27 | Prime minister and President at 29. Became King of Albania in 1928 at 32. | ||
Muammar Gaddafi | ![]() | Brotherly Leader and Guide of the Revolution | 1942 | 1969 | 27 | ||
Gloriana Ranocchini | Captain Regent | 1957 | 1984 | 27 | |||
Giovanni Lonfernini | Captain Regent | 1976 | 2003 | 27 | |||
Abdessalam Jalloud | Prime Minister | 1944 | 1972 | 27 | |||
Andrea Zafferani | Captain Regent | 1982 | 2010 | 27 | |||
Matteo Ciacci | Captain Regent | 1990 | 2018 | 27 | |||
Khertek Anchimaa-Toka | Chair of the Presidium | 1912 | 1940 | 28 | |||
Sheikh Maktoum bin Rashid Al Maktoum | ![]() | Prime Minister | 1943 | 1971 | 28 | ||
Vanessa D'Ambrosio | Captain Regent | 1988 | 2017 | 28 | |||
Alexander Chervyakov | Prime Minister | 1892 | 1920 | 28 | |||
Mario Frick | ![]() | Prime Minister | 1965 | 1993 | 28 | ||
Kim Jong-un | General Secretary Chairman Supreme Commander | 1983 | 2011 | 28 | Became Supreme leader of North Korea after his father's death. | ||
Giuliano Gozi | Captain Regent | 1894 | 1923 | 28 | |||
Samuel Doe | ![]() | President | 1951 | 1980 | 28 | ||
Ieremia Tabai | ![]() | President | 1949 | 1979 | 29 | Served as colonial Chief Minister since 1978. | |
Jamtsangiin Damdinsüren | Chairman of the Presidium | 1898 | 1927 | 29 | |||
Lhendup Dorji | Prime Minister | 1935 | 1964 | 29 | |||
Muhammad Ali Haitham | Prime Minister | 1940 | 1969 | 29 | |||
Milo Đukanović | ![]() | Prime Minister | 1962 | 1991 | 29 | ||
Yahya Jammeh | President | 1965 | 1994 | 29 | |||
Souley Abdoulaye | ![]() | Prime Minister | 1965 | 1994 | 29 | ||
Roque González Garza | ![]() | President | 1885 | 1915 | 29 | ||
Gnassingbé Eyadéma | ![]() | President | 1937 | 1967 | 29 | ||
Branko Crvenkovski | Prime Minister | 1962 | 1992 | 29 | |||
Joseph Kabila | President | 1971 | 2001 | 29 | |||
Alessandro Cardelli | Captain Regent | 1991 | 2020 | 29 | |||
Muhammad Ahmad al-Mangoush | Prime Minister | 1967 | 1997 | 30 | |||
David Dacko | ![]() | President | 1930 | 1960 | 30 | Served as colonial Prime Minister since 1959. | |
Jean-Baptiste Bagaza | President | 1946 | 1976 | 30 | |||
Bernard Dowiyogo | ![]() | President | 1946 | 1976 | 30 | ||
Ilir Meta | ![]() | Prime Minister | 1969 | 1999 | 30 | ||
Sadiq al-Mahdi | ![]() | Prime Minister | 1935 | 1966 | 30 | ||
Marien Ngouabi | President | 1938 | 1969 | 30 | |||
Pandeli Majko | Prime Minister | 1967 | 1998 | 30 |