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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 pretenders, such as Simeon II of Bulgaria; 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] Ntfombi, Queen Mother of Eswatini is the only female monarch in the world.[3]

List

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Rank Monarch State Country Born Current age Acceded Years reigned
Reigns as of 13 August 2026 T 00:49 (UTC)
1 Hassanal Bolkiah Brunei 15 July 1946 80 years, 29 days 5 October 1967 58 years, 312 days
2 Sultan bin Mohamed Al-Qassimi III Sharjah United Arab Emirates 2 July 1939 87 years, 42 days 25 January 1972 54 years, 200 days
3 Carl XVI Gustaf Sweden 30 April 1946 80 years, 105 days 15 September 1973 52 years, 332 days
4 Hamad bin Mohammed Al Sharqi Fujairah United Arab Emirates 22 February 1949 77 years, 172 days 18 September 1974 51 years, 329 days
5 Humaid bin Rashid Al Nuaimi III Ajman 1 January 1931 95 years, 224 days 6 September 1981 44 years, 341 days
6 Ntfombi Eswatini[a] 27 December 1949 76 years, 229 days 10 August 1983 43 years, 3 days
7 Mswati III 19 April 1968 58 years, 116 days 25 April 1986 40 years, 110 days
8 Hamengkubuwono X Yogyakarta Indonesia 2 April 1946 80 years, 133 days 7 March 1989 37 years, 159 days
9 Hans-Adam II Liechtenstein 14 February 1945 81 years, 180 days 13 November 1989 36 years, 273 days
10 Harald V Norway 21 February 1937 89 years, 173 days 17 January 1991 35 years, 208 days
11 Letsie III Lesotho 17 July 1963 63 years, 27 days 7 February 1996[b] 34 years, 258 days[b]
12 Mizan Zainal Abidin Terengganu Malaysia 22 January 1962 64 years, 203 days 15 May 1998 28 years, 90 days
13 Abdullah II Jordan 30 January 1962 64 years, 195 days 7 February 1999 27 years, 187 days
14 Hamad bin Isa Al Khalifa Bahrain 28 January 1950 76 years, 197 days 6 March 1999 27 years, 160 days
15 Mohammed VI Morocco 21 August 1963 62 years, 357 days 23 July 1999 27 years, 21 days
16 Syed Sirajuddin Perlis Malaysia 17 May 1943 83 years, 88 days 17 April 2000 26 years, 118 days
17 Sharafuddin Idris Shah Selangor 24 December 1945 80 years, 232 days 22 November 2001 24 years, 264 days
18 Norodom Sihamoni Cambodia 14 May 1953 73 years, 91 days 14 October 2004 21 years, 303 days
19 Albert II Monaco 14 March 1958 68 years, 152 days 6 April 2005 21 years, 129 days
20 Mohammed bin Rashid Al Maktoum Dubai United Arab Emirates 15 July 1949 77 years, 29 days 4 January 2006 20 years, 221 days
21 Jigme Khesar Namgyel Wangchuck Bhutan 21 February 1980 46 years, 173 days 9 December 2006 19 years, 247 days
22 Muhriz Negeri Sembilan Malaysia 14 January 1948 78 years, 211 days 29 December 2008 17 years, 227 days
23 Saud bin Rashid Al Mualla Umm al-Quwain United Arab Emirates 1 October 1952 73 years, 316 days 2 January 2009 17 years, 223 days
24 Ibrahim Iskandar Johor Malaysia[c] 22 November 1958 67 years, 264 days 23 January 2010 16 years, 202 days
25 Muhammad V Kelantan Malaysia 6 October 1969 56 years, 311 days 13 September 2010 15 years, 334 days
26 Saud bin Saqr Al Qasimi Ras al-Khaimah United Arab Emirates 10 February 1956 70 years, 184 days 27 October 2010 15 years, 290 days
27 Tupou VI Tonga 12 July 1959 67 years, 32 days 18 March 2012 14 years, 148 days
28 Willem-Alexander Netherlands 27 April 1967 59 years, 108 days 30 April 2013 13 years, 105 days
29 Tamim bin Hamad Al Thani Qatar 3 June 1980 46 years, 71 days 25 June 2013 13 years, 49 days
30 Philippe Belgium 15 April 1960 66 years, 120 days 21 July 2013 13 years, 23 days
31 Nazrin Muizzuddin Shah Perak Malaysia 27 November 1956 69 years, 259 days 29 May 2014 12 years, 76 days
32 Felipe VI Spain 30 January 1968 58 years, 195 days 19 June 2014 12 years, 55 days
33 Salman bin Abdulaziz Al Saud Saudi Arabia 31 December 1935 90 years, 225 days 23 January 2015 11 years, 202 days
34 Paku Alam X Pakualaman Indonesia 15 December 1962 63 years, 241 days 1 July 2016 10 years, 43 days
35 Vajiralongkorn (Rama X) Thailand 28 July 1952 74 years, 16 days 13 October 2016 9 years, 304 days
36 Emmanuel Macron Andorra 21 December 1977 48 years, 235 days 14 May 2017 9 years, 91 days
37 Mahmud Sallehuddin Kedah Malaysia 30 April 1942 84 years, 105 days 11 September 2017 8 years, 336 days
38 Abdullah Sultan Ahmad Shah Pahang 30 July 1959 67 years, 14 days 15 January 2019 7 years, 210 days
39 Naruhito Japan 23 February 1960 66 years, 171 days 1 May 2019 7 years, 104 days
40 Haitham bin Tariq Al Said Oman 11 October 1954 71 years, 306 days 11 January 2020 6 years, 214 days
41 Mohamed bin Zayed Al Nahyan Abu Dhabi United Arab Emirates 11 March 1961 65 years, 155 days 13 May 2022 4 years, 92 days
42 Charles III Antigua and Barbuda 14 November 1948 77 years, 272 days 8 September 2022 3 years, 339 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
43 Mishal Al-Ahmad Al-Jaber Al-Sabah Kuwait 27 September 1940 85 years, 320 days 16 December 2023 2 years, 240 days
44 Frederik X Denmark 26 May 1968 58 years, 79 days 14 January 2024 2 years, 211 days
45 Leo XIV Vatican City 14 September 1955 70 years, 333 days 8 May 2025 1 year, 97 days
46 Josep-Lluís Serrano Pentinat Andorra 19 March 1977 49 years, 147 days 31 May 2025 1 year, 74 days
47 Guillaume V Luxembourg 11 November 1981 44 years, 275 days 3 October 2025 314 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. 1 2 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 2 years, 194 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.
  3. "The Queen Regent was ousted today in an apparent... - UPI Archives". United Press International. Retrieved 2025-12-23.