List of current reigning monarchs by length of reign

Hassanal Bolkiah, the longest-reigning existing monarch
Ntfombi, the longest reigning and only female 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] Ntfombi, Queen Mother of Eswatini is the only female monarch in the world.[3]

List

Rank Monarch State Country Born Current age Acceded Years reigned
Reigns as of 16 February 2026 T 14:12 (UTC)
1 Hassanal Bolkiah Brunei 15 July 1946 79 years, 216 days 5 October 1967 58 years, 134 days
2 Sultan bin Mohamed Al-Qassimi III Sharjah United Arab Emirates 2 July 1939 86 years, 229 days 25 January 1972 54 years, 22 days
3 Carl XVI Gustaf Sweden 30 April 1946 79 years, 292 days 15 September 1973 52 years, 154 days
4 Hamad bin Mohammed Al Sharqi Fujairah United Arab Emirates 22 February 1949 76 years, 359 days 18 September 1974 51 years, 151 days
5 Humaid bin Rashid Al Nuaimi III Ajman 1 January 1931 95 years, 46 days 6 September 1981 44 years, 163 days
6 Ntfombi Eswatini[a] 27 December 1949 76 years, 51 days 10 August 1983 42 years, 190 days
7 Mswati III 19 April 1968 57 years, 303 days 25 April 1986 39 years, 297 days
8 Hans-Adam II Liechtenstein 14 February 1945 81 years, 2 days 13 November 1989 36 years, 95 days
9 Harald V Norway 21 February 1937 88 years, 360 days 17 January 1991 35 years, 30 days
10 Letsie III Lesotho 17 July 1963 62 years, 214 days 7 February 1996[b] 34 years, 80 days[b]
11 Mizan Zainal Abidin Terengganu Malaysia 22 January 1962 64 years, 25 days 15 May 1998 27 years, 277 days
12 Hamengkubuwono X Yogyakarta Indonesia 2 April 1946 79 years, 320 days 3 October 1998 27 years, 136 days
13 Abdullah II Jordan 30 January 1962 64 years, 17 days 7 February 1999 27 years, 9 days
14 Hamad bin Isa Al Khalifa Bahrain 28 January 1950 76 years, 19 days 6 March 1999 26 years, 347 days
15 Mohammed VI Morocco 21 August 1963 62 years, 179 days 23 July 1999 26 years, 208 days
16 Syed Sirajuddin Perlis Malaysia 17 May 1943 82 years, 275 days 17 April 2000 25 years, 305 days
17 Sharafuddin Idris Shah Selangor 24 December 1945 80 years, 54 days 22 November 2001 24 years, 86 days
18 Norodom Sihamoni Cambodia 14 May 1953 72 years, 278 days 14 October 2004 21 years, 125 days
19 Albert II Monaco 14 March 1958 67 years, 339 days 6 April 2005 20 years, 316 days
20 Mohammed bin Rashid Al Maktoum Dubai United Arab Emirates 15 July 1949 76 years, 216 days 4 January 2006 20 years, 43 days
21 Jigme Khesar Namgyel Wangchuck Bhutan 21 February 1980 45 years, 360 days 9 December 2006 19 years, 69 days
22 Muhriz Negeri Sembilan Malaysia 14 January 1948 78 years, 33 days 29 December 2008 17 years, 49 days
23 Saud bin Rashid Al Mualla Umm al-Quwain United Arab Emirates 1 October 1952 73 years, 138 days 2 January 2009 17 years, 45 days
24 Ibrahim Iskandar Johor Malaysia[c] 22 November 1958 67 years, 86 days 23 January 2010 16 years, 24 days
25 Muhammad V Kelantan Malaysia 6 October 1969 56 years, 133 days 13 September 2010 15 years, 156 days
26 Saud bin Saqr Al Qasimi Ras al-Khaimah United Arab Emirates 10 February 1956 70 years, 6 days 27 October 2010 15 years, 112 days
27 Tupou VI Tonga 12 July 1959 66 years, 219 days 18 March 2012 13 years, 335 days
28 Willem-Alexander Netherlands 27 April 1967 58 years, 295 days 30 April 2013 12 years, 292 days
29 Tamim bin Hamad Al Thani Qatar 3 June 1980 45 years, 258 days 25 June 2013 12 years, 236 days
30 Philippe Belgium 15 April 1960 65 years, 307 days 21 July 2013 12 years, 210 days
31 Nazrin Muizzuddin Shah Perak Malaysia 27 November 1956 69 years, 81 days 29 May 2014 11 years, 263 days
32 Felipe VI Spain 30 January 1968 58 years, 17 days 19 June 2014 11 years, 242 days
33 Salman bin Abdulaziz Al Saud Saudi Arabia 31 December 1935 90 years, 47 days 23 January 2015 11 years, 24 days
34 Vajiralongkorn (Rama X) Thailand 28 July 1952 73 years, 203 days 13 October 2016 9 years, 126 days
35 Mahmud Sallehuddin Kedah Malaysia 30 April 1942 83 years, 292 days 11 September 2017 8 years, 158 days
36 Abdullah Sultan Ahmad Shah Pahang 30 July 1959 66 years, 201 days 15 January 2019 7 years, 32 days
37 Naruhito Japan 23 February 1960 65 years, 358 days 1 May 2019 6 years, 291 days
38 Haitham bin Tariq Al Said Oman 11 October 1954 71 years, 128 days 11 January 2020 6 years, 36 days
39 Mohamed bin Zayed Al Nahyan Abu Dhabi United Arab Emirates 11 March 1961 64 years, 342 days 13 May 2022 3 years, 279 days
40 Charles III Antigua and Barbuda 14 November 1948 77 years, 94 days 8 September 2022 3 years, 161 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
41 Mishal Al-Ahmad Al-Jaber Al-Sabah Kuwait 27 September 1940 85 years, 142 days 16 December 2023 2 years, 62 days
42 Frederik X Denmark 26 May 1968 57 years, 266 days 14 January 2024 2 years, 33 days
43 Leo XIV Vatican City 14 September 1955 70 years, 155 days 8 May 2025 284 days
44 Guillaume V Luxembourg 11 November 1981 44 years, 97 days 3 October 2025 136 days

See also

Notes

  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 2 years, 16 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.
  3. ^ "The Queen Regent was ousted today in an apparent... - UPI Archives". United Press International. Retrieved 2025-12-23.
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