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Lists of state leaders by age

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Since 1800, the youngest serving state leader has been 0-day-old Alfonso XIII, King of Spain[1] (left), while the oldest has been 96-year-old Elizabeth II, Queen of the United Kingdom and the other Commonwealth realms (right).

This article contains various lists of state leaders organized by age, defined as heads of state and/or heads of government.

Oldest serving state leaders

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Top ten currently serving

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Paul Biya, currently the oldest serving state leader

People currently serving as head of state and/or head of government, a party leader of a one-party state, or a representative of a head of state.

Rank Name State Position Assumed office Born Age
1 Paul Biya  Cameroon President 1982[2] (1933-02-13)13 February 1933 92 years, 205 days
2 Mahmoud Abbas  Palestine 2005[3] (1935-11-15)15 November 1935 89 years, 295 days
3 Salman bin Abdulaziz al Saud  Saudi Arabia King 2015[4] (1935-12-31)31 December 1935 89 years, 249 days
4 Harald V  Norway King[5] 1991 (1937-02-21)21 February 1937 88 years, 197 days
5 Ali Khamenei  Iran Supreme Leader 1989[6] (1939-04-19)19 April 1939 86 years, 140 days
6 Jean-Lucien Savi de Tové  Togo President 2025 (1939-05-07)7 May 1939 86 years, 122 days
7 Muhammad Yunus  Bangladesh Chief Adviser 2024 (1940-06-28)28 June 1940 85 years, 70 days
8 Mishal I  Kuwait Emir 2023 (1940-09-27)27 September 1940 84 years, 344 days
9 Michael D. Higgins  Ireland President 2011 (1941-04-18)18 April 1941 84 years, 141 days
10 Sergio Mattarella  Italy President 2015 (1941-07-23)23 July 1941 84 years, 45 days

Top ten of all time

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Giovanni Paolo Lascaris, the oldest serving state leader of all time whose age is fully verifiable
  Currently in office
  Currently living
Rank Name State Position Last year in office
(reason term ended)
Age at end
1 Giovanni Paolo Lascaris  Malta 1657 (death) 97 years, 47 days
2 Elizabeth II  United Kingdom Queen and other Commonwealth realms[7] 2022 (death) 96 years, 140 days
3 Prem Tinsulanonda  Thailand Regent 2016 (tenure ended) 96 years, 97 days
4 George Tupou I  Tonga King 1893 (death) 95 years, 76 days
5 Mahathir Mohamad  Malaysia Prime Minister 2020 (resigned) 94 years, 235 days
6 Nicolò da Ponte  Venice Doge of Venice 1585 (death) 94 years, 196 days
7 Malietoa Tanumafili II  Samoa O le Ao o le Malo 2007 (death) 94 years, 127 days
8 Robert Mugabe  Zimbabwe President 2017 (resigned) 93 years, 279 days
9 Beji Caid Essebsi  Tunisia President 2019 (death) 92 years, 238 days
10 Paul Biya  Cameroon President Incumbent 92 years, 205 days

Youngest serving state leaders

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Top ten currently serving

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Kristrún Frostadóttir, the youngest serving state leader
Rank Name State Position Assumed office Born Age
1 Kristrún Frostadóttir  Iceland Prime Minister 2024 12 May 1988 37 years, 117 days
2 Ibrahim Traoré  Burkina Faso 2022 14 March 1988 37 years, 176 days
3 Daniel Noboa  Ecuador President 2023 30 November 1987 37 years, 280 days
4 Milojko Spajić  Montenegro Prime Minister 2023 24 September 1987 37 years, 347 days
5 Jakov Milatović  Montenegro President 2023 7 December 1986 38 years, 273 days
6 Gabriel Boric  Chile President 2022 11 February 1986 39 years, 207 days
7 Yulia Svyrydenko  Ukraine Prime Minister 2025 25 December 1985 39 years, 255 days
8 Mohammed bin Salman  Saudi Arabia Prime Minister 2022 31 August 1985 40 years, 6 days
9 Mahamat Déby  Chad President[8] 2024 4 April 1984 41 years, 155 days
10 Assimi Goïta  Mali President[9] 2025 9 November 1983 41 years, 301 days

Top ten since 1800

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  Currently living
Rank Name State Position Assumed office Age when assuming office
1 Alfonso XIII  Spain King 1886 0 days[1]
2 Sobhuza II  Swaziland King 1899 141 days
3 Fuad II  Egypt King 1952 192 days
4 Puyi  China Emperor 1908 2 years, 299 days
5 Rajendra    Nepal King 1816 2 years, 353 days
6 Isabella II  Spain Queen 1833 2 years, 354 days
7 Gyanendra    Nepal King 1950[10] 3 years, 123 days
8 Guangxu  China Emperor 1875 3 years, 195 days
9 Faisal II  Iraq King 1939 3 years, 337 days
10 Pedro II  Brazil Emperor 1831 5 years, 126 days

Oldest state leaders

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The following lists show the oldest people who have served office as state leader (not limited to their age while in office).

Top ten living

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Guillermo Rodríguez, the oldest-living state leader
Rank Name State Position Born Age
1 Guillermo Rodríguez  Ecuador Acting President (1972–1976) 4 Nov 1923 101 years, 306 days
2 Tomiichi Murayama  Japan Prime Minister (1994–1996) 3 Mar 1924 101 years, 187 days
3 Mahathir Mohamad  Malaysia Prime Minister (1981–2003; 2018–2020) 10 Jul 1925 100 years, 58 days
4 Mohammad Hasan Sharq  Afghanistan Chairman of the Council of Ministers (1988–1989) 17 Jul 1925 100 years, 51 days
5 Abdoulaye Wade  Senegal President (2000–2012) 29 May 1926 99 years, 100 days
6 Valdas Adamkus  Lithuania President (1998–2003; 2004–2009) 3 Nov 1926 98 years, 307 days
7 Raif Dizdarević  Yugoslavia President of the Presidency (1988–1989) 9 Dec 1926 98 years, 271 days
8 Kim Yong-nam  North Korea Chairman of the Presidium of the Supreme People's Assembly (1998–2019) 4 Feb 1928 97 years, 214 days
9 Arthur Foulkes  Bahamas Governor-General (2010–2014) 11 May 1928 97 years, 118 days
10 Péter Boross  Hungary Prime Minister (1993–1994) 27 Aug 1928 97 years, 10 days

Top ten since 1800

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Chau Sen Cocsal Chhum, the longest-lived state leader
  Currently living
Rank Name State Position Born Died Age
1 Chau Sen Cocsal Chhum  Cambodia Acting Prime Minister (1962) 1905 2009 103 years, 143 days
2 Celâl Bayar  Turkey
1883 1986 103 years, 98 days
3 Antoine Pinay  France Prime Minister (1952–1953) 1891 1994 102 years, 348 days
4 André Prunet-Foch  Andorra French Viguier (1977–1980) 1914 2017 102 years, 211 days
5 Prince Naruhiko Higashikuni  Japan Prime Minister (1945) 1887 1990 102 years, 48 days
6 Babiker Awadalla  Sudan Prime Minister (1969) 1917 2019 101 years, 321 days
7 Willem Drees  Netherlands Prime Minister (1948–1958) 1886 1988 101 years, 314 days
8 Guillermo Rodríguez  Ecuador Acting President (1972–1976) 1923 Alive 101 years, 306 days
9 Đỗ Mười  Vietnam 1917 2018 101 years, 241 days
10 Zhang Qun  China Premier (1947–1948) 1889 1990 101 years, 219 days
  1. 1.0 1.1 Became a monarch at birth as his father, Alfonso XII, had died the previous year.
  2. Previously served as Prime Minister from 1975–1982.
  3. Previously served as Prime Minister of the Palestinian National Authority in 2003.
  4. Served concurrently as Prime Minister of Saudi Arabia from 2015–2022.
  5. The Kingdom of Norway includes the dependent territory of Svalbard.
  6. Previously served as President from 1981–1989.
  7. In 1952, Princess Elizabeth acceded as the monarch of seven Commonwealth realms. At the time of her death, she reigned as Queen of 15 sovereign states including the United Kingdom. From 1957–1983, most of her British colonies attained independence, and some joined the other realms in different years; most states ceased to be a realm upon becoming republics.
  8. Previously President of the Transitional Military Council of Chad from 2021–2022, and Transitional President of Chad from 2022–2024.
  9. Previously Chairman of the National Committee for the Salvation of the People of Mali in 2020 and 2021, and Interim President of Mali from 2021–2025.
  10. Gyanendra's first occupation of the throne was in 1950; he was deposed in the 1951 Nepalese revolution.