View source for List of youngest state leaders since 1900

{{Short description|none}}
{{Use dmy dates|date=April 2020}}
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==
{| class="wikitable sortable"
! Name
! State
! Position
! Born
! Assumed office
! At age
! Notes
|-
| [[Fuad II of Egypt|Fuad II]]
|{{flag|Kingdom of Egypt|1952|name=Egypt}}
| [[King of Egypt and the Sudan|King]]
| 1952
| 1952
| 6 months
|
|-
| [[Puyi]]
|{{flag|Qing dynasty|1908|name=China}}
| [[Emperor of China|Emperor]]
| 1906
| 1908
| 2
|
|-
| [[Gyanendra of Nepal|Gyanendra]]
|{{flag|Kingdom of Nepal|1950|name=Nepal}}
|[[King of Nepal|King]]
| 1947
| 1950
| 3
|
|-
|[[Mwambutsa IV of Burundi|Mwambutsa IV]]
|{{flag|Kingdom of Burundi|1915|name=Burundi}}
|[[King of Burundi|King]]
|1912
|1915
|3
|
|-
| [[14th Dalai Lama|Tenzin Gyatso]]
|{{flag|Tibet|1940}}
|[[Dalai Lama]]
| 1935
| 1940
| 4
|
|-
| [[Michael I of Romania|Michael I]]
|{{flag|Romania|1927}}
| [[King of Romania|King]]
| 1921
| 1927
| 5
|
|-
| [[Simeon II of Bulgaria|Simeon II]]
|{{flagcountry|Kingdom of Bulgaria}}
|[[Tsar of Bulgaria|Tsar]]
| 1937
| 1943
| 6
|
|-
| [[Duy Tân]]
|{{flag|Vietnam|1890}}
|[[Emperor of Vietnam|Emperor]]
| 1900
| 1907
| 7
|
|-
| [[Ananda Mahidol]]
|{{flag|Thailand|1935}}
|[[King of Thailand|King]]
| 1925
| 1935
| 9
| Assumed power following a 10-year regency.
|-
| [[Ahmad Shah Qajar]]
|{{flag|Qajar Iran|1909|name=Sublime State of Persia}}
|[[Shah of Iran|Shah]]
| 1898
| 1909
| 11
| Assumed power following a 5-year regency.
|-
| [[Hussein of Jordan|Hussein]]
|{{flag|Jordan|1952}}
|[[King of Jordan|King]]
| 1935
| 1952
| 16
|
|-
| [[Jigme Singye Wangchuck]]
|{{flag|Bhutan|1969}}
|[[King of Bhutan|King]]
| 1955
| 1972
| 16
|
|-
| [[Alfonso XIII]]
|{{flag|Spain|1874}}
|[[King of Spain|King]]
| 1886
| 1902
| 16
| Assumed power following a 16-year regency.
|-
| [[Tribhuvan]]
|{{flagu|Kingdom of Nepal|1923|name=Nepal}}
|King
| 1906
| 1923
| 17
| Assumed power following a regency since 1911.
|-
| [[Farouk of Egypt|Farouk I]]
|{{flagu|Kingdom of Egypt|1937|name=Egypt}}
|[[King of Egypt|King]]
| 1920
| 1937
| 17
| Assumed power following a 1-year regency.
|-
| [[Marie-Adélaïde, Grand Duchess of Luxembourg|Marie-Adélaïde]]
|{{flag|Luxembourg|1912}}
|[[Grand Duchess of Luxembourg|Grand Duchess]]
| 1894
| 1912
| 17
|
|-
| [[Peter II of Yugoslavia|Peter II]]
|{{flag|Kingdom of Yugoslavia|name = Yugoslavia}}
|[[King of Yugoslavia|King]]
| 1923
| 1941
| 17
| Assumed power following a 6-year regency.
|-
| [[Lij Iyasu|Iyasu V]]
|{{flag|Ethiopian Empire|name = Ethiopia}}
|[[Emperor of Ethiopia|Emperor]]
| 1895
| 1913
| 18
|
|-
| [[Faisal II of Iraq|Faisal II]]
|{{flag|Kingdom of Iraq|1953|name=Iraq}}
|[[King of Iraq|King]]
| 1935
| 1953
| 18
| Assumed power following a 14-year regency.
|-
| [[Mswati III]]
|{{flag|Eswatini|1986}}
|[[King of Eswatini|King]]
| 1968
| 1986
| 18
| Assumed power following a 3-year regency.
|-
| [[Manuel II of Portugal|Manuel II]]
|{{flag|Portugal|1830}}
|[[King of Portugal|King]]
| 1889
| 1908
| 18
|
|-
| Michael I
|{{flagu|Romania|1940}}
|King
| 1921
| 1940
| 18
| Was previously King from 1927 to 1930 under a regency.
|-
| [[Bhumibol Adulyadej]]
|{{flagu|Thailand|1946}}
|King
| 1927
| 1946
| 18
|
|-
| [[Ntare V of Burundi|Ntare V]]
|{{flagu|Kingdom of Burundi|1966|name=Burundi}}
|King
| 1947
| 1966
| 18
|
|-
| [[Mohammad Zahir Shah]]
|{{flagcountry|Kingdom of Afghanistan}}
|[[King of Afghanistan|King]]
| 1914
| 1933
| 19
|
|-
| [[Norodom Sihanouk]]
|{{flag|Cambodia|1941}}
|[[King of Cambodia|King]]
| 1922
| 1941
| 19
|
|-
| [[Baudouin of Belgium|Baudouin]]
|{{flag|Belgium|1951}}
|[[King of Belgium|King]]
| 1930
| 1951
| 20
| Acted as regent for his father since 1950.
|-
| [[Mohammad Reza Pahlavi]]
|{{flag|Pahlavi Iran|1941|name=Iran}}
|[[Shah of Iran|Shah]]
| 1919
| 1941
| 21
|
|-
| [[Hassanal Bolkiah]]
|{{flag|Brunei|1967}}
|[[Sultan of Brunei|Sultan]]
| 1946
| 1967
| 21
| Reigning as Sultan since 1967.
|-
| [[Charlotte, Grand Duchess of Luxembourg|Charlotte]]
|{{flagu|Luxembourg|1919}}
|[[Grand Duchess of Luxembourg|Grand Duchess]]
| 1896
| 1919
| 22
|
|-
| [[Alexander of Greece|Alexander]]
|{{flagcountry|Kingdom of Greece}}
|[[List of kings of Greece|King]]
| 1893
| 1917
| 23
|
|-
| [[Constantine II of Greece|Constantine II]]
|{{flagu|Kingdom of Greece|1964|name=Greece}}
|King
| 1940
| 1964
| 23
|
|-
| [[Boris III of Bulgaria|Boris III]]
|{{flagu|Kingdom of Bulgaria|1918|name=Bulgaria}}
|Tsar
| 1894
| 1918
| 24
|
|-
| [[Jigme Dorji Wangchuck]]
|{{flagu|Bhutan|1949}}
|King
| 1928
| 1952
| 24
|
|-
| [[Hirohito]]
|{{flag|Japan|1926}}
|[[Emperor of Japan|Emperor]]
| 1901
| 1926
| 25
| Acted as regent for his father since 1921.
|-
| [[Rainier III, Prince of Monaco|Rainier III]]
|{{flag|Monaco|1949}}
|[[Prince of Monaco|Prince]]
| 1923
| 1949
| 25
|
|-
| [[Elizabeth II]]
|{{flag|United Kingdom|1952}}
|[[Queen of the United Kingdom|Queen]]
| 1926
| 1952
| 25
|
|-
| [[Jigme Khesar Namgyel Wangchuck]]
|{{flagu|Bhutan|2006}}
|King of Bhutan|King
| 1980
| 2006
| 26
|
|-
| [[Amanullah Khan]]
|{{flagcountry|Emirate of Afghanistan}}
|[[Emir of Afghanistan|Emir]]
| 1892
| 1919
| 26
|
|-
| [[Moshoeshoe II of Lesotho|Moshoeshoe II]]
|{{flag|Lesotho|1965}}
|[[King of Lesotho|King]]
| 1938
| 1965
| 26
| Ruled as Paramount Chief under colonial rule since 1960.
|-
| [[Birendra]]
|{{flagu|Kingdom of Nepal|1972|name=Nepal}}
|King
| 1945
| 1972
| 26
|
|-
| [[Carl XVI Gustaf]]
|{{flag|Sweden|1973}}
|[[King of Sweden|King]]
| 1946
| 1973
| 27
|
|-
| [[Letsie III]]
|{{flagu|Lesotho|1990}}
|King
| 1963
| 1990
| 27
|
|-
| [[Vajiravudh]]
|{{flag|Siam|1910}}
|[[King of Siam|King]]
| 1881
| 1910
| 29
|
|-
| [[Charles I of Austria|Karl I]]
|{{flagcountry|Austro-Hungary}}
|[[Emperor of Austria|Emperor]]
| 1887
| 1916
| 29
|
|-
| [[Qaboos bin Said]]
|{{flag|Oman|1970}}
|[[Sultan of Oman|Sultan]]
| 1940
| 1970
| 29
|
|-
|[[Dipendra of Nepal|Dipendra]]
|{{flagu|Kingdom of Nepal|2001|name=Nepal}}
|King
|1971
|2001
|29
|
|-
| [[Victor Emmanuel III of Italy|Vittorio Emanuele III]]
|{{flag|Kingdom of Italy|1900|name=Italy}}
|[[King of Italy|King]]
| 1869
| 1900
| 30
|
|}
==Non-royal leaders==
{| class="wikitable sortable"
! Name
! State
! Position
! Born
! Assumed office
! At age
! Notes
|-
|[[Jean-Claude Duvalier]]
|{{flag|Haiti|1964}}
|[[President of Haiti|President]]
|1951
|1971
|19
|Became president after his father's death.<ref>{{cite book|last=Shaw|first=Karl|title=Power Mad!|publisher=Metafora|year=2005|isbn=80-7359-002-6|location=Praha|page=52|language=cs|trans-title=Šílenství mocných|orig-year=2004}}</ref>
|-
|[[Navaandorjiin Jadambaa]]
|{{flag|Mongolian People's Republic|1924|name=Mongolia}}
|[[President of Mongolia|Chairman of the Presidium]]
|1900
|1924
|24
|
|-
|[[Valentine Strasser]]
|{{flag|Sierra Leone}}
|[[President of Sierra Leone|President]]
| 1967
| 1992
| 25
|<ref>{{cite web|last=Akam|first=Simon|date=13 February 2012|title=Akam '09 profiles former African dictator Valentine Strasser|url=http://www.journalism.columbia.edu/news/614|archive-url=https://web.archive.org/web/20131210222818/http://www.journalism.columbia.edu/news/614|archive-date=10 December 2013|work=Columbia Journalism School}}</ref><ref>{{cite web|last=Marke|first=Roland|date=4 August 2008|title=Harvest of Shame: Former Sierra Leonean Ruler Valentine Strasser|url=http://www.worldpress.org/Africa/3216.cfm|work=[[World Press Review]]}}</ref>
|-
|[[Michel Micombero]]
|{{flag|Burundi}}
|[[Prime Minister of Burundi|Prime Minister]]
| 1940
| 1966
| 25
| Later became President in 1966 at 26.<ref>{{cite book |last=Chrétien |first=Jean-Pierre |chapter=Micombero, Michel |editor1-last=Gates |editor1-first=Louis Jr. |editor2-last=Akyeampong |editor2-first=Emmanuel K. |title=Dictionary of African Biography |volume=4 |location=Oxford |year=2008 |publisher=Oxford University Press |chapter-url=http://www.oxfordaasc.com/article/opr/t338/e1360}}</ref>
|-
|[[Puyi]]
|{{flag|Manchukuo}}
|[[Chief Executive of Manchukuo|Chief Executive]]
|1906
|1932
|26
|<ref>Wen 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.</ref>
|-
|[[Maria Lea Pedini-Angelini]]
|{{flag|San Marino|1862}}
|[[Captains Regent|Captain Regent]]
| 1954
| 1981
| 26
|<ref>{{cite web|author=Guide to Women Leaders|title=San Marino|url=http://www.guide2womenleaders.com/San_Marino.htm|url-status=dead|archive-url=https://web.archive.org/web/20110713185737/http://www.guide2womenleaders.com/San_Marino.htm|archive-date=13 July 2011|accessdate=6 May 2011}}</ref>
|-
|[[Enzo Colombini]]
|{{flagu|San Marino|1862}}
|Captain Regent
| 1958
| 1985
| 26
|<ref>[http://www.worldstatesmen.org/San_Marino.html WorldStatesmen.org]</ref>
|-
|[[Giacomo Simoncini]]
|{{flagu|San Marino|2011}}
|Captain Regent
| 1994
| 2021
| 26
|
|-
|[[Zog I of Albania|Ahmet Zogu]]
|{{flagcountry|Principality of Albania}}
|[[Prime Minister of Albania|Prime Minister]]
| 1895
| 1922
| 27
| Prime minister and President at 29. Became King of Albania in 1928 at 32.
|-
|[[Muammar Gaddafi]]
|{{flag|Libya|1977}}
|[[Brotherly Leader and Guide of the Revolution]]
| 1942
| 1969
| 27
|
|-
|[[Gloriana Ranocchini]]
|{{flagu|San Marino|1862}}
|Captain Regent
| 1957
| 1984
| 27
|
|-
|[[Giovanni Lonfernini]]
|{{flagu|San Marino|1862}}
|Captain Regent
| 1976
| 2003
| 27
|
|-
|[[Abdessalam Jalloud]]
|{{flagu|Libya|1977}}
|[[Prime Minister of Libya|Prime Minister]]
| 1944
| 1972
| 27
|
|-
|[[Andrea Zafferani]]
|{{flagu|San Marino|1862}}
|Captain Regent
| 1982
| 2010
| 27
|
|-
|[[Matteo Ciacci]]
|{{flagu|San Marino|2011}}
|Captain Regent
| 1990
| 2018
| 27
|
|-
|[[Khertek Anchimaa-Toka]]
|{{flag|Tuvan People's Republic|name=Tuva}}
|[[Tuvan People's Republic#Heads of Institutions|Chair of the Presidium]]
| 1912
| 1940
| 28
|
|-
|[[Maktoum bin Rashid Al Maktoum|Sheikh Maktoum bin Rashid Al Maktoum]]
|{{flag|United Arab Emirates}}
|[[Prime Minister of the United Arab Emirates|Prime Minister]]
| 1943
| 1971
| 28
|
|-
|[[Vanessa D'Ambrosio]]
|{{flagu|San Marino|2011}}
|Captain Regent
| 1988
| 2017
| 28
|
|-
|[[Alexander Chervyakov]]
|{{flag|Belarusian SSR|1919}}
|[[Prime Minister of Belarus|Prime Minister]]
|1892
|1920
|28
|
|-
|[[Mario Frick (politician)|Mario Frick]]
|{{flag|Liechtenstein}}
|[[Prime Minister of Liechtenstein|Prime Minister]]
| 1965
| 1993
| 28
|
|-
|[[Kim Jong-un]]
|{{flag|North Korea}}
|[[General Secretary of the Workers' Party of Korea|General Secretary]]<br />[[Chairman of the State Affairs Commission|Chairman]]<br />[[Supreme Commander of the Armed Forces of North Korea|Supreme Commander]]
| 1983
| 2011
| 28
| Became [[List of leaders of North Korea|Supreme leader of North Korea]] after his father's death.
|-
|[[Giuliano Gozi]]
|{{flagu|San Marino|1862}}
|Captain Regent
| 1894
| 1923
| 28
|
|-
|[[Samuel Doe]]
|{{flag|Liberia}}
|[[President of Liberia|President]]
| 1951
| 1980
| 28
|
|-
|[[Ieremia Tabai]]
|{{flag|Kiribati}}
|[[President of Kiribati|President]]
| 1949
| 1979
| 29
| Served as colonial Chief Minister since 1978.
|-
|[[Jamtsangiin Damdinsüren]]
|{{flagu|Mongolian People's Republic|1924|name=Mongolia}}
|Chairman of the Presidium
| 1898
| 1927
| 29
|
|-
|[[Lhendup Dorji]]
|{{flagu|Bhutan|1956}}
|[[Prime Minister of Bhutan|Prime Minister]]
| 1935
| 1964
| 29
|
|-
|[[Muhammad Ali Haitham]]
|{{flag|South Yemen}}
|[[Prime Minister of South Yemen|Prime Minister]]
| 1940
| 1969
| 29
|
|-
|[[Milo Đukanović]]
|{{flag|Montenegro|1993}}
|[[Prime Minister of Montenegro|Prime Minister]]
| 1962
| 1991
| 29
|
|-
|[[Yahya Jammeh]]
|{{flag|The Gambia}}
|[[President of the Gambia|President]]
| 1965
| 1994
| 29
|
|-
|[[Souley Abdoulaye]]
|{{flag|Niger}}
|[[Prime Minister of Niger|Prime Minister]]
| 1965
| 1994
| 29
|
|-
|[[Roque González Garza]]
|{{flag|Mexico}}
|[[President of Mexico|President]]
| 1885
| 1915
| 29
|
|-
|[[Gnassingbé Eyadéma]]
|{{flag|Togo}}
|[[President of Togo|President]]
| 1937
| 1967
| 29
|
|-
|[[Branko Crvenkovski]]
|{{flag|Macedonia|1992}}
|[[Prime Minister of North Macedonia|Prime Minister]]
| 1962
| 1992
| 29
|
|-
|[[Joseph Kabila]]
|{{sort|Congo, Democratic Republic|{{flag|Democratic Republic of the Congo|1997}}}}
|[[President of the Democratic Republic of the Congo|President]]
| 1971
| 2001
| 29
|
|-
|[[Alessandro Cardelli]]
|{{flagu|San Marino|2011}}
|Captain Regent
| 1991
| 2020
| 29
|
|-
|[[Muhammad Ahmad al-Mangoush]]
|{{flagu|Libya|1977}}
|Prime Minister
| 1967
| 1997
| 30
|
|-
|[[David Dacko]]
|{{flag|Central African Republic}}
|[[President of the Central African Republic|President]]
| 1930
| 1960
| 30
| Served as colonial Prime Minister since 1959.
|-
|[[Jean-Baptiste Bagaza]]
|{{flagu|Burundi}}
|[[President of Burundi|President]]
| 1946
| 1976
| 30
|
|-
|[[Bernard Dowiyogo]]
|{{flag|Nauru}}
|[[President of Nauru|President]]
| 1946
| 1976
| 30
|
|-
|[[Ilir Meta]]
|{{flag|Albania}}
|[[Prime Minister of Albania|Prime Minister]]
| 1969
| 1999
| 30
|
|-
|[[Sadiq al-Mahdi]]
|{{flag|Sudan}}
|[[Prime Minister of Sudan|Prime Minister]]
| 1935
| 1966
| 30
|
|-
|[[Marien Ngouabi]]
|{{sort|Congo, Republic|{{flag|Republic of the Congo}}}}
|[[President of the Republic of the Congo|President]]
| 1938
| 1969
| 30
|
|-
|[[Pandeli Majko]]
|{{flagu|Albania}}
|Prime Minister
| 1967
| 1998
| 30
|
|}
==See also==
*[[Lists of state leaders]]
*[[List of oldest living state leaders]]
==References==
{{reflist}}
{{Authority control}}
[[Category:Lists of state leaders by age|Youngest]]
[[Category:Lists of heads of government]]
[[Category:Lists of the youngest people|State leaders]]