List of current reigning monarchs by length of reign

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

Hassanal Bolkiah, the longest-reigning existing monarch

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

Rank	Monarch	State	Born	Current age	Acceded	Years reigned
Reigns as of 16 October 2024 T 02:24 (UTC)
1	Hassanal Bolkiah	Brunei	15 July 1946	78 years, 93 days	5 October 1967	57 years, 11 days
2	Sultan bin Mohamed Al-Qassimi III	Sharjah (part of United Arab Emirates)	6 July 1939	85 years, 102 days	25 January 1972	52 years, 265 days
3	Carl XVI Gustaf	Sweden	30 April 1946	78 years, 169 days	15 September 1973	51 years, 31 days
4	Hamad bin Mohammed Al Sharqi	Fujairah (part of United Arab Emirates)	22 February 1949	75 years, 237 days	18 September 1974	50 years, 28 days
5	Humaid bin Rashid Al Nuaimi III	Ajman (part of United Arab Emirates)	1 January 1931	93 years, 289 days	6 September 1981	43 years, 40 days
6	Mswati III	Eswatini[lower-alpha 1]	19 April 1968	56 years, 180 days	25 April 1986	38 years, 174 days
7	Hans-Adam II	Liechtenstein	14 February 1945	79 years, 245 days	13 November 1989	34 years, 338 days
8	Harald V	Norway	21 February 1937	87 years, 238 days	17 January 1991	33 years, 273 days
9	Letsie III	Lesotho	17 July 1963	61 years, 91 days	7 February 1996[lower-alpha 2]	32 years, 323 days[lower-alpha 2]
10	Mizan Zainal Abidin	Terengganu (part of Malaysia)	22 January 1962	62 years, 268 days	15 May 1998	26 years, 154 days
11	Abdullah II	Jordan	30 January 1962	62 years, 260 days	7 February 1999	25 years, 252 days
12	Hamad bin Isa Al Khalifa	Bahrain	28 January 1950	74 years, 262 days	6 March 1999	25 years, 224 days
13	Mohammed VI	Morocco	21 August 1963	61 years, 56 days	23 July 1999	25 years, 85 days
14	Syed Sirajuddin	Perlis (part of Malaysia)	17 May 1943	81 years, 152 days	17 April 2000	24 years, 182 days
15	Henri	Luxembourg	16 April 1955	69 years, 183 days	7 October 2000	24 years, 9 days
16	Sharafuddin Idris Shah	Selangor (part of Malaysia)	11 December 1945	78 years, 310 days	22 November 2001	22 years, 329 days
17	Norodom Sihamoni	Cambodia	14 May 1953	71 years, 155 days	14 October 2004	20 years, 2 days
18	Albert II	Monaco	14 March 1958	66 years, 216 days	6 April 2005	19 years, 193 days
19	Mohammed bin Rashid Al Maktoum	Dubai (part of United Arab Emirates)	15 July 1949	75 years, 93 days	4 January 2006	18 years, 286 days
20	Jigme Khesar Namgyel Wangchuck	Bhutan	21 February 1980	44 years, 238 days	9 December 2006	17 years, 312 days
21	Muhriz	Negeri Sembilan (part of Malaysia)	14 January 1948	76 years, 276 days	29 December 2008	15 years, 292 days
22	Saud bin Rashid Al Mualla	Umm al-Quwain (part of United Arab Emirates)	1 October 1952	72 years, 15 days	2 January 2009	15 years, 288 days
23	Ibrahim Iskandar	Johor (part of Malaysia)[lower-alpha 3]	22 November 1958	65 years, 329 days	23 January 2010	14 years, 267 days
24	Muhammad V	Kelantan (part of Malaysia)	6 October 1969	55 years, 10 days	13 September 2010	14 years, 33 days
25	Saud bin Saqr Al Qasimi	Ras al-Khaimah (part of United Arab Emirates)	10 February 1956	68 years, 249 days	27 October 2010	13 years, 355 days
26	Tupou VI	Tonga	12 July 1959	65 years, 96 days	18 March 2012	12 years, 212 days
27	Francis	Vatican City	17 December 1936	87 years, 304 days	13 March 2013	11 years, 217 days
28	Willem-Alexander	Netherlands	27 April 1967	57 years, 172 days	30 April 2013	11 years, 169 days
29	Tamim bin Hamad Al Thani	Qatar	3 June 1980	44 years, 135 days	25 June 2013	11 years, 113 days
30	Philippe	Belgium	15 April 1960	64 years, 184 days	21 July 2013	11 years, 87 days
31	Nazrin Muizzuddin Shah	Perak (part of Malaysia)	27 November 1956	67 years, 324 days	29 May 2014	10 years, 140 days
32	Felipe VI	Spain	30 January 1968	56 years, 260 days	19 June 2014	10 years, 119 days
33	Salman bin Abdulaziz Al Saud	Saudi Arabia	31 December 1935	88 years, 290 days	23 January 2015	9 years, 267 days
34	Vajiralongkorn (Rama X)	Thailand	28 July 1952	72 years, 80 days	13 October 2016	8 years, 3 days
35	Mahmud Sallehuddin	Kedah (part of Malaysia)	30 April 1942	82 years, 169 days	11 September 2017	7 years, 35 days
36	Abdullah Sultan Ahmad Shah	Pahang (part of Malaysia)	30 July 1959	65 years, 78 days	15 January 2019	5 years, 275 days
37	Naruhito	Japan	23 February 1960	64 years, 236 days	1 May 2019	5 years, 168 days
38	Haitham bin Tarik Al Said	Oman	11 October 1954	70 years, 5 days	11 January 2020	4 years, 279 days
39	Mohamed bin Zayed Al Nahyan	Abu Dhabi (part of United Arab Emirates)	11 March 1961	63 years, 219 days	13 May 2022	2 years, 156 days
40	Charles III	Antigua and Barbuda	14 November 1948	75 years, 337 days	8 September 2022	2 years, 38 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	84 years, 19 days	16 December 2023	305 days
42	Frederik X	Denmark	26 May 1968	56 years, 143 days	14 January 2024	276 days

See also

• List of current monarchs of sovereign states
• List of current heads of state and government
• List of current state leaders by date of assumption of office
• List of longest-reigning monarchs
• List of shortest-reigning monarchs
• Lists of state leaders by age

Notes

1. The country was formerly named the Kingdom of Swaziland until 19 April 2018.
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 259 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.