List of current reigning monarchs by length of reign

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Hassanal Bolkiah, the longest-reigning existing monarch Sultan Hassanal Bolkiah - 53857993945.jpg
Hassanal Bolkiah, the longest-reigning existing monarch

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

Contents

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

RankMonarchStateCountryBornCurrent ageAccededYears reigned
Reigns as of 12 August 2025 T 21:02 (UTC)
1 Hassanal Bolkiah Brunei 15 July 194679 years, 28 days5 October 196757 years, 311 days
2 Sultan bin Mohamed Al-Qassimi III Sharjah United Arab Emirates 6 July 193986 years, 37 days25 January 197253 years, 199 days
3 Carl XVI Gustaf Sweden 30 April 194679 years, 104 days15 September 197351 years, 331 days
4 Hamad bin Mohammed Al Sharqi Fujairah United Arab Emirates22 February 194976 years, 171 days18 September 197450 years, 328 days
5 Humaid bin Rashid Al Nuaimi III Ajman 1 January 193194 years, 223 days6 September 198143 years, 340 days
6 Mswati III Eswatini [a] 19 April 196857 years, 115 days25 April 198639 years, 109 days
Ntfombi 27 December 194975 years, 228 days
7 Hans-Adam II Liechtenstein 14 February 194580 years, 179 days13 November 198935 years, 272 days
8 Harald V Norway 21 February 193788 years, 172 days17 January 199134 years, 207 days
9 Letsie III Lesotho 17 July 196362 years, 26 days7 February 1996 [b] 33 years, 257 days [b]
10 Mizan Zainal Abidin Terengganu Malaysia 22 January 196263 years, 202 days15 May 199827 years, 89 days
11 Abdullah II Jordan 30 January 196263 years, 194 days7 February 199926 years, 186 days
12 Hamad bin Isa Al Khalifa Bahrain 28 January 195075 years, 196 days6 March 199926 years, 159 days
13 Mohammed VI Morocco 21 August 196361 years, 356 days23 July 199926 years, 20 days
14 Syed Sirajuddin Perlis Malaysia17 May 194382 years, 87 days17 April 200025 years, 117 days
15 Henri Luxembourg 16 April 195570 years, 118 days7 October 200024 years, 309 days
16 Sharafuddin Idris Shah Selangor Malaysia11 December 194579 years, 244 days22 November 200123 years, 263 days
17 Norodom Sihamoni Cambodia 14 May 195372 years, 90 days14 October 200420 years, 302 days
18 Albert II Monaco 14 March 195867 years, 151 days6 April 200520 years, 128 days
19 Mohammed bin Rashid Al Maktoum Dubai United Arab Emirates15 July 194976 years, 28 days4 January 200619 years, 220 days
20 Jigme Khesar Namgyel Wangchuck Bhutan 21 February 198045 years, 172 days9 December 200618 years, 246 days
21 Muhriz Negeri Sembilan Malaysia14 January 194877 years, 210 days29 December 200816 years, 226 days
22 Saud bin Rashid Al Mualla Umm al-Quwain United Arab Emirates1 October 195272 years, 315 days2 January 200916 years, 222 days
23 Ibrahim Iskandar Johor Malaysia [c] 22 November 195866 years, 263 days23 January 201015 years, 201 days
24 Muhammad V Kelantan Malaysia6 October 196955 years, 310 days13 September 201014 years, 333 days
25 Saud bin Saqr Al Qasimi Ras al-Khaimah United Arab Emirates10 February 195669 years, 183 days27 October 201014 years, 289 days
26 Tupou VI Tonga 12 July 195966 years, 31 days18 March 201213 years, 147 days
27 Willem-Alexander Netherlands 27 April 196758 years, 107 days30 April 201312 years, 104 days
28 Tamim bin Hamad Al Thani Qatar 3 June 198045 years, 70 days25 June 201312 years, 48 days
29 Philippe Belgium 15 April 196065 years, 119 days21 July 201312 years, 22 days
30 Nazrin Muizzuddin Shah Perak Malaysia27 November 195668 years, 258 days29 May 201411 years, 75 days
31 Felipe VI Spain 30 January 196857 years, 194 days19 June 201411 years, 54 days
32 Salman bin Abdulaziz Al Saud Saudi Arabia 31 December 193589 years, 224 days23 January 201510 years, 201 days
33 Vajiralongkorn (Rama X) Thailand 28 July 195273 years, 15 days13 October 20168 years, 303 days
34 Mahmud Sallehuddin Kedah Malaysia30 April 194283 years, 104 days11 September 20177 years, 335 days
35 Abdullah Sultan Ahmad Shah Pahang 30 July 195966 years, 13 days15 January 20196 years, 209 days
36 Naruhito Japan 23 February 196065 years, 170 days1 May 20196 years, 103 days
37 Haitham bin Tariq Al Said Oman 11 October 195470 years, 305 days11 January 20205 years, 213 days
38 Mohamed bin Zayed Al Nahyan Abu Dhabi United Arab Emirates11 March 196164 years, 154 days13 May 20223 years, 91 days
39 Charles III Antigua and Barbuda 14 November 194876 years, 271 days8 September 20222 years, 338 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 194084 years, 319 days16 December 20231 year, 239 days
41 Frederik X Denmark 26 May 196857 years, 78 days14 January 20241 year, 210 days
42 Leo XIV Vatican City 14 September 195569 years, 332 days8 May 202596 days

See also

Notes

  1. The Monarchy of Eswatini is a diarchy jointly headed by the King and the Queen Mother.
  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 1 year, 193 days (since 31 January 2024).

References

  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.