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.

Monarchs Name State Position Born Assumed office At age Notes Fuad II King 1952 1952 6 months Puyi Emperor 1906 1908 2 GyanendraKing 1947 1950 3 Mwambutsa IVKing191219153 Tenzin GyatsoDalai Lama 1935 1940 4 Michael I King 1921 1927 5 Simeon IITsar 1937 1943 6 Duy TânEmperor 1900 1907 7 Ananda MahidolKing 1925 1935 9 Assumed power following a 10-year regency. Ahmad Shah QajarShah 1898 1909 11 Assumed power following a 5-year regency. HusseinKing 1935 1952 16 Jigme Singye WangchuckKing 1955 1972 16 Alfonso XIIIKing 1886 1902 16 Assumed power following a 16-year regency. TribhuvanKing 1906 1923 17 Assumed power following a regency since 1911. Farouk IKing 1920 1937 17 Assumed power following a 1-year regency. Marie-AdélaïdeGrand Duchess 1894 1912 17 Peter IIKing 1923 1941 17 Assumed power following a 6-year regency. Iyasu VEmperor 1895 1913 18 Faisal IIKing 1935 1953 18 Assumed power following a 14-year regency. Mswati IIIKing 1968 1986 18 Assumed power following a 3-year regency. Manuel IIKing 1889 1908 18 Michael IKing 1921 1940 18 Was previously King from 1927 to 1930 under a regency. Bhumibol AdulyadejKing 1927 1946 18 Assumed power following a 3-year regency. Ntare VKing 1947 1966 18 Mohammad Zahir ShahKing 1914 1933 19 Norodom SihanoukKing 1922 1941 19 BaudouinKing 1930 1951 20 Acted as regent for his father since 1950. Mohammad Reza PahlaviShah 1919 1941 21 Hassanal BolkiahSultan 1946 1967 21 Reigning as Sultan since 1967. CharlotteGrand Duchess 1896 1919 22 AlexanderKing 1893 1917 23 Constantine IIKing 1940 1964 23 Boris IIITsar 1894 1918 24 Jigme Dorji WangchuckKing 1928 1952 24 HirohitoEmperor 1901 1926 25 Acted as regent for his father since 1921. Rainier IIIPrince 1923 1949 25 Elizabeth IIQueenQueenQueenQueenQueenQueenQueen 1926 1952 25 Jigme Khesar Namgyel WangchuckKing 1980 2006 26 Amanullah KhanEmir 1892 1919 26 Moshoeshoe IIKing 1938 1965 26 Ruled as Paramount Chief under colonial rule since 1960. BirendraKing 1945 1972 26 Carl XVI GustafKing 1946 1973 27 Letsie IIIKing 1963 1990 27 VajiravudhKing 1881 1910 29 Acted as regent for his father in 1907. Karl IEmperor 1887 1916 29 Qaboos bin SaidSultan 1940 1970 29DipendraKing1971200129 Vittorio Emanuele IIIKing 1869 1900 30 Elizabeth IIQueen 1926 1957 30

Non-royal leaders Name State Position Born Assumed office At age NotesJean-Claude DuvalierPresident1951197119Became president after his father's death.Navaandorjiin JadambaaChairman of the Presidium1900192424Valentine StrasserPresident 1967 1992 25Michel MicomberoPrime Minister 1940 1966 25 Later became President in 1966 at 26.PuyiChief Executive1906193226Wen Yuan-ning, "Emperor Malgré Lui", in Wen Yuan-ning and others, Imperfect Understanding: Intimate Portraits of Modern Chinese Celebrities, edited by Christopher Rea. Amherst, NY: Cambria Press, 2018, p. 117.Maria Lea Pedini-AngeliniCaptain Regent 1954 1981 26Enzo ColombiniCaptain Regent 1958 1985 26WorldStatesmen.orgGiacomo SimonciniCaptain Regent 1994 2021 26Ahmet ZoguPrime Minister 1895 1922 27 Prime minister and President at 29. Became King of Albania in 1928 at 32.Muammar GaddafiBrotherly Leader and Guide of the Revolution 1942 1969 27Gloriana RanocchiniCaptain Regent 1957 1984 27Giovanni LonferniniCaptain Regent 1976 2003 27Abdessalam JalloudPrime Minister 1944 1972 27Andrea ZafferaniCaptain Regent 1982 2010 27Matteo CiacciCaptain Regent 1990 2018 27Khertek Anchimaa-TokaChair of the Presidium 1912 1940 28Sheikh Maktoum bin Rashid Al MaktoumPrime Minister 1943 1971 28 Vanessa D'AmbrosioCaptain Regent 1988 2017 28Alexander ChervyakovPrime Minister1892192028Mario FrickPrime Minister 1965 1993 28 Kim Jong-unGeneral SecretaryChairmanSupreme Commander 1983 2011 28 Became Supreme leader of North Korea after his father's death.Giuliano GoziCaptain Regent 1894 1923 28Samuel DoePresident 1951 1980 28Ieremia TabaiPresident 1949 1979 29 Served as colonial Chief Minister since 1978.Jamtsangiin DamdinsürenChairman of the Presidium 1898 1927 29Lhendup DorjiPrime Minister 1935 1964 29Muhammad Ali HaithamPrime Minister 1940 1969 29Milo ĐukanovićPrime Minister 1962 1991 29Yahya JammehPresident 1965 1994 29Souley AbdoulayePrime Minister 1965 1994 29Roque González GarzaPresident 1885 1915 29Gnassingbé EyadémaPresident 1937 1967 29Branko CrvenkovskiPrime Minister 1962 1992 29Joseph KabilaPresident 1971 2001 29Alessandro CardelliCaptain Regent 1991 2020 29Muhammad Ahmad al-MangoushPrime Minister 1967 1997 30David DackoPresident 1930 1960 30 Served as colonial Prime Minister since 1959.Jean-Baptiste BagazaPresident 1946 1976 30Bernard DowiyogoPresident 1946 1976 30Ilir MetaPrime Minister 1969 1999 30Sadiq al-MahdiPrime Minister 1935 1966 30Marien NgouabiPresident 1938 1969 30Lorenzo BugliCaptain Regent 1995 2025 30Pandeli MajkoPrime Minister 1967 1998 30

See also Lists of state leaders List of longest-living state leaders List of oldest living state leaders

References