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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 the president of France and bishop of Urgell, who by virtue of their position are also the co-princes of Andorra; monarchs without physical territories such as the Prince and Grand Master of the Sovereign Military Order of Malta; constituent monarchs such as 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 1 November 2025 T 11:34 (UTC)
1 Hassanal Bolkiah Brunei 15 July 1946 79 years, 109 days 5 October 1967 58 years, 27 days
2 Sultan bin Mohamed Al-Qassimi III Sharjah United Arab Emirates 6 July 1939 86 years, 118 days 25 January 1972 53 years, 280 days
3 Carl XVI Gustaf Sweden 30 April 1946 79 years, 185 days 15 September 1973 52 years, 47 days
4 Hamad bin Mohammed Al Sharqi Fujairah United Arab Emirates 22 February 1949 76 years, 252 days 18 September 1974 51 years, 44 days
5 Humaid bin Rashid Al Nuaimi III Ajman 1 January 1931 94 years, 304 days 6 September 1981 44 years, 56 days
6 Mswati III Eswatini[a] 19 April 1968 57 years, 196 days 25 April 1986 39 years, 190 days
Ntfombi 27 December 1949 75 years, 309 days
7 Hans-Adam II Liechtenstein 14 February 1945 80 years, 260 days 13 November 1989 35 years, 353 days
8 Harald V Norway 21 February 1937 88 years, 253 days 17 January 1991 34 years, 288 days
9 Letsie III Lesotho 17 July 1963 62 years, 107 days 7 February 1996[b] 33 years, 338 days[b]
10 Mizan Zainal Abidin Terengganu Malaysia 22 January 1962 63 years, 283 days 15 May 1998 27 years, 170 days
11 Abdullah II Jordan 30 January 1962 63 years, 275 days 7 February 1999 26 years, 267 days
12 Hamad bin Isa Al Khalifa Bahrain 28 January 1950 75 years, 277 days 6 March 1999 26 years, 240 days
13 Mohammed VI Morocco 21 August 1963 62 years, 72 days 23 July 1999 26 years, 101 days
14 Syed Sirajuddin Perlis Malaysia 17 May 1943 82 years, 168 days 17 April 2000 25 years, 198 days
15 Sharafuddin Idris Shah Selangor 11 December 1945 79 years, 325 days 22 November 2001 23 years, 344 days
16 Norodom Sihamoni Cambodia 14 May 1953 72 years, 171 days 14 October 2004 21 years, 18 days
17 Albert II Monaco 14 March 1958 67 years, 232 days 6 April 2005 20 years, 209 days
18 Mohammed bin Rashid Al Maktoum Dubai United Arab Emirates 15 July 1949 76 years, 109 days 4 January 2006 19 years, 301 days
19 Jigme Khesar Namgyel Wangchuck Bhutan 21 February 1980 45 years, 253 days 9 December 2006 18 years, 327 days
20 Muhriz Negeri Sembilan Malaysia 14 January 1948 77 years, 291 days 29 December 2008 16 years, 307 days
21 Saud bin Rashid Al Mualla Umm al-Quwain United Arab Emirates 1 October 1952 73 years, 31 days 2 January 2009 16 years, 303 days
22 Ibrahim Iskandar Johor Malaysia[c] 22 November 1958 66 years, 344 days 23 January 2010 15 years, 282 days
23 Muhammad V Kelantan Malaysia 6 October 1969 56 years, 26 days 13 September 2010 15 years, 49 days
24 Saud bin Saqr Al Qasimi Ras al-Khaimah United Arab Emirates 10 February 1956 69 years, 264 days 27 October 2010 15 years, 5 days
25 Tupou VI Tonga 12 July 1959 66 years, 112 days 18 March 2012 13 years, 228 days
26 Willem-Alexander Netherlands 27 April 1967 58 years, 188 days 30 April 2013 12 years, 185 days
27 Tamim bin Hamad Al Thani Qatar 3 June 1980 45 years, 151 days 25 June 2013 12 years, 129 days
28 Philippe Belgium 15 April 1960 65 years, 200 days 21 July 2013 12 years, 103 days
29 Nazrin Muizzuddin Shah Perak Malaysia 27 November 1956 68 years, 339 days 29 May 2014 11 years, 156 days
30 Felipe VI Spain 30 January 1968 57 years, 275 days 19 June 2014 11 years, 135 days
31 Salman bin Abdulaziz Al Saud Saudi Arabia 31 December 1935 89 years, 305 days 23 January 2015 10 years, 282 days
32 Vajiralongkorn (Rama X) Thailand 28 July 1952 73 years, 96 days 13 October 2016 9 years, 19 days
33 Mahmud Sallehuddin Kedah Malaysia 30 April 1942 83 years, 185 days 11 September 2017 8 years, 51 days
34 Abdullah Sultan Ahmad Shah Pahang 30 July 1959 66 years, 94 days 15 January 2019 6 years, 290 days
35 Naruhito Japan 23 February 1960 65 years, 251 days 1 May 2019 6 years, 184 days
36 Haitham bin Tariq Al Said Oman 11 October 1954 71 years, 21 days 11 January 2020 5 years, 294 days
37 Mohamed bin Zayed Al Nahyan Abu Dhabi United Arab Emirates 11 March 1961 64 years, 235 days 13 May 2022 3 years, 172 days
38 Charles III Antigua and Barbuda 14 November 1948 76 years, 352 days 8 September 2022 3 years, 54 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
39 Mishal Al-Ahmad Al-Jaber Al-Sabah Kuwait 27 September 1940 85 years, 35 days 16 December 2023 1 year, 320 days
40 Frederik X Denmark 26 May 1968 57 years, 159 days 14 January 2024 1 year, 291 days
41 Leo XIV Vatican City 14 September 1955 70 years, 48 days 8 May 2025 177 days
42 Guillaume V Luxembourg 11 November 1981 43 years, 355 days 3 October 2025 29 days

See also

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Notes

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  1. ^ The monarchy of Eswatini is a diarchy jointly headed by the Ngwenyama and the Ndlovukati.
  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, 274 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.