List of current reigning monarchs by length of reign

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Hassanal Bolkiah, the longest-reigning existing monarch

This is a list of reigning monarchs sorted by length of service.

This list includes monarchs who do not reign over entire nations, such as Muhammad V of Kelantan, but does not include former monarchs and pretenders, such as Simeon II of Bulgaria, ex officio monarchs such as Emmanuel Macron who in his capacity as President of France is also Co-Prince of Andorra, monarchs without physical territories such as the Prince and Grand Master of the Sovereign Military Order of Malta, constituent monarchs such as the traditional African rulers, or monarchs whose position is unofficial, such as Tenzin Gyatso, 14th Dalai Lama.

Hassanal Bolkiah is the longest-reigning existing monarch, having been Sultan of Brunei since 5 October 1967.[1] He became the longest-reigning monarch upon the death of Elizabeth II of the United Kingdom on 8 September 2022.[2]

List

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Rank Monarch State Country Born Current age Acceded Years reigned
Reigns as of 26 August 2025 T 22:05 (UTC)
1 Hassanal Bolkiah Brunei 15 July 1946 79 years, 42 days 5 October 1967 57 years, 325 days
2 Sultan bin Mohamed Al-Qassimi III Sharjah United Arab Emirates 6 July 1939 86 years, 51 days 25 January 1972 53 years, 213 days
3 Carl XVI Gustaf Sweden 30 April 1946 79 years, 118 days 15 September 1973 51 years, 345 days
4 Hamad bin Mohammed Al Sharqi Fujairah United Arab Emirates 22 February 1949 76 years, 185 days 18 September 1974 50 years, 342 days
5 Humaid bin Rashid Al Nuaimi III Ajman 1 January 1931 94 years, 237 days 6 September 1981 43 years, 354 days
6 Mswati III Eswatini[a] 19 April 1968 57 years, 129 days 25 April 1986 39 years, 123 days
Ntfombi 27 December 1949 75 years, 242 days
7 Hans-Adam II Liechtenstein 14 February 1945 80 years, 193 days 13 November 1989 35 years, 286 days
8 Harald V Norway 21 February 1937 88 years, 186 days 17 January 1991 34 years, 221 days
9 Letsie III Lesotho 17 July 1963 62 years, 40 days 7 February 1996[b] 33 years, 271 days[b]
10 Mizan Zainal Abidin Terengganu Malaysia 22 January 1962 63 years, 216 days 15 May 1998 27 years, 103 days
11 Abdullah II Jordan 30 January 1962 63 years, 208 days 7 February 1999 26 years, 200 days
12 Hamad bin Isa Al Khalifa Bahrain 28 January 1950 75 years, 210 days 6 March 1999 26 years, 173 days
13 Mohammed VI Morocco 21 August 1963 62 years, 5 days 23 July 1999 26 years, 34 days
14 Syed Sirajuddin Perlis Malaysia 17 May 1943 82 years, 101 days 17 April 2000 25 years, 131 days
15 Henri Luxembourg 16 April 1955 70 years, 132 days 7 October 2000 24 years, 323 days
16 Sharafuddin Idris Shah Selangor Malaysia 11 December 1945 79 years, 258 days 22 November 2001 23 years, 277 days
17 Norodom Sihamoni Cambodia 14 May 1953 72 years, 104 days 14 October 2004 20 years, 316 days
18 Albert II Monaco 14 March 1958 67 years, 165 days 6 April 2005 20 years, 142 days
19 Mohammed bin Rashid Al Maktoum Dubai United Arab Emirates 15 July 1949 76 years, 42 days 4 January 2006 19 years, 234 days
20 Jigme Khesar Namgyel Wangchuck Bhutan 21 February 1980 45 years, 186 days 9 December 2006 18 years, 260 days
21 Muhriz Negeri Sembilan Malaysia 14 January 1948 77 years, 224 days 29 December 2008 16 years, 240 days
22 Saud bin Rashid Al Mualla Umm al-Quwain United Arab Emirates 1 October 1952 72 years, 329 days 2 January 2009 16 years, 236 days
23 Ibrahim Iskandar Johor Malaysia[c] 22 November 1958 66 years, 277 days 23 January 2010 15 years, 215 days
24 Muhammad V Kelantan Malaysia 6 October 1969 55 years, 324 days 13 September 2010 14 years, 347 days
25 Saud bin Saqr Al Qasimi Ras al-Khaimah United Arab Emirates 10 February 1956 69 years, 197 days 27 October 2010 14 years, 303 days
26 Tupou VI Tonga 12 July 1959 66 years, 45 days 18 March 2012 13 years, 161 days
27 Willem-Alexander Netherlands 27 April 1967 58 years, 121 days 30 April 2013 12 years, 118 days
28 Tamim bin Hamad Al Thani Qatar 3 June 1980 45 years, 84 days 25 June 2013 12 years, 62 days
29 Philippe Belgium 15 April 1960 65 years, 133 days 21 July 2013 12 years, 36 days
30 Nazrin Muizzuddin Shah Perak Malaysia 27 November 1956 68 years, 272 days 29 May 2014 11 years, 89 days
31 Felipe VI Spain 30 January 1968 57 years, 208 days 19 June 2014 11 years, 68 days
32 Salman bin Abdulaziz Al Saud Saudi Arabia 31 December 1935 89 years, 238 days 23 January 2015 10 years, 215 days
33 Vajiralongkorn (Rama X) Thailand 28 July 1952 73 years, 29 days 13 October 2016 8 years, 317 days
34 Mahmud Sallehuddin Kedah Malaysia 30 April 1942 83 years, 118 days 11 September 2017 7 years, 349 days
35 Abdullah Sultan Ahmad Shah Pahang 30 July 1959 66 years, 27 days 15 January 2019 6 years, 223 days
36 Naruhito Japan 23 February 1960 65 years, 184 days 1 May 2019 6 years, 117 days
37 Haitham bin Tariq Al Said Oman 11 October 1954 70 years, 319 days 11 January 2020 5 years, 227 days
38 Mohamed bin Zayed Al Nahyan Abu Dhabi United Arab Emirates 11 March 1961 64 years, 168 days 13 May 2022 3 years, 105 days
39 Charles III Antigua and Barbuda 14 November 1948 76 years, 285 days 8 September 2022 2 years, 352 days
Australia
The Bahamas
Belize
Canada
Grenada
Jamaica
New Zealand
Papua New Guinea
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Solomon Islands
Tuvalu
United Kingdom
40 Mishal Al-Ahmad Al-Jaber Al-Sabah Kuwait 27 September 1940 84 years, 333 days 16 December 2023 1 year, 253 days
41 Frederik X Denmark 26 May 1968 57 years, 92 days 14 January 2024 1 year, 224 days
42 Leo XIV Vatican City 14 September 1955 69 years, 346 days 8 May 2025 110 days

See also

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Notes

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  1. ^ The Monarchy of Eswatini is a diarchy jointly headed by the King and the Queen Mother.
  2. ^ a b Letsie III first reigned during 12 November 1990 – 25 January 1995, was deposed, then returned to the throne on 7 February 1996. Length-of-reign calculation includes both tenures.
  3. ^ Ibrahim Iskandar is also the currently-reigning Yang di-Pertuan Agong, and has reigned for 1 year, 207 days (since 31 January 2024).

References

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  1. ^ "Sultan of Brunei becomes world's longest-serving monarch after Elizabeth II's passing". Arab News. 2022-09-09. Retrieved 2022-09-25.
  2. ^ "Queen Elizabeth II has died". BBC News. 2022-09-08. Retrieved 2022-09-25.