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. He became the longest-reigning monarch upon the death of Elizabeth II of the United Kingdom on 8 September 2022.

List

Rank	Monarch	State	Born	Current age	Acceded	Years reigned
Reigns as of 28 December 2024 T 05:38 (UTC)
1	Hassanal Bolkiah	Brunei	15 July 1946	78 years, 166 days	5 October 1967	57 years, 84 days
2	Sultan bin Mohamed Al-Qassimi III	Sharjah (part of United Arab Emirates)	6 July 1939	85 years, 175 days	25 January 1972	52 years, 338 days
3	Carl XVI Gustaf	Sweden	30 April 1946	78 years, 242 days	15 September 1973	51 years, 104 days
4	Hamad bin Mohammed Al Sharqi	Fujairah (part of United Arab Emirates)	22 February 1949	75 years, 310 days	18 September 1974	50 years, 101 days
5	Humaid bin Rashid Al Nuaimi III	Ajman (part of United Arab Emirates)	1 January 1931	93 years, 362 days	6 September 1981	43 years, 113 days
6	Mswati III	Eswatini	19 April 1968	56 years, 253 days	25 April 1986	38 years, 247 days
7	Hans-Adam II	Liechtenstein	14 February 1945	79 years, 318 days	13 November 1989	35 years, 45 days
8	Harald V	Norway	21 February 1937	87 years, 311 days	17 January 1991	33 years, 346 days
9	Letsie III	Lesotho	17 July 1963	61 years, 164 days	7 February 1996	33 years, 30 days
10	Mizan Zainal Abidin	Terengganu (part of Malaysia)	22 January 1962	62 years, 341 days	15 May 1998	26 years, 227 days
11	Abdullah II	Jordan	30 January 1962	62 years, 333 days	7 February 1999	25 years, 325 days
12	Hamad bin Isa Al Khalifa	Bahrain	28 January 1950	74 years, 335 days	6 March 1999	25 years, 297 days
13	Mohammed VI	Morocco	21 August 1963	61 years, 129 days	23 July 1999	25 years, 158 days
14	Syed Sirajuddin	Perlis (part of Malaysia)	17 May 1943	81 years, 225 days	17 April 2000	24 years, 255 days
15	Henri	Luxembourg	16 April 1955	69 years, 256 days	7 October 2000	24 years, 82 days
16	Sharafuddin Idris Shah	Selangor (part of Malaysia)	11 December 1945	79 years, 17 days	22 November 2001	23 years, 36 days
17	Norodom Sihamoni	Cambodia	14 May 1953	71 years, 228 days	14 October 2004	20 years, 75 days
18	Albert II	Monaco	14 March 1958	66 years, 289 days	6 April 2005	19 years, 266 days
19	Mohammed bin Rashid Al Maktoum	Dubai (part of United Arab Emirates)	15 July 1949	75 years, 166 days	4 January 2006	18 years, 359 days
20	Jigme Khesar Namgyel Wangchuck	Bhutan	21 February 1980	44 years, 311 days	9 December 2006	18 years, 19 days
21	Muhriz	Negeri Sembilan (part of Malaysia)	14 January 1948	76 years, 349 days	29 December 2008	15 years, 365 days
22	Saud bin Rashid Al Mualla	Umm al-Quwain (part of United Arab Emirates)	1 October 1952	72 years, 88 days	2 January 2009	15 years, 361 days
23	Ibrahim Iskandar	Johor (part of Malaysia)	22 November 1958	66 years, 36 days	23 January 2010	14 years, 340 days
24	Muhammad V	Kelantan (part of Malaysia)	6 October 1969	55 years, 83 days	13 September 2010	14 years, 106 days
25	Saud bin Saqr Al Qasimi	Ras al-Khaimah (part of United Arab Emirates)	10 February 1956	68 years, 322 days	27 October 2010	14 years, 62 days
26	Tupou VI	Tonga	12 July 1959	65 years, 169 days	18 March 2012	12 years, 285 days
27	Francis	Vatican City	17 December 1936	88 years, 11 days	13 March 2013	11 years, 290 days
28	Willem-Alexander	Netherlands	27 April 1967	57 years, 245 days	30 April 2013	11 years, 242 days
29	Tamim bin Hamad Al Thani	Qatar	3 June 1980	44 years, 208 days	25 June 2013	11 years, 186 days
30	Philippe	Belgium	15 April 1960	64 years, 257 days	21 July 2013	11 years, 160 days
31	Nazrin Muizzuddin Shah	Perak (part of Malaysia)	27 November 1956	68 years, 31 days	29 May 2014	10 years, 213 days
32	Felipe VI	Spain	30 January 1968	56 years, 333 days	19 June 2014	10 years, 192 days
33	Salman bin Abdulaziz Al Saud	Saudi Arabia	31 December 1935	88 years, 363 days	23 January 2015	9 years, 340 days
34	Vajiralongkorn (Rama X)	Thailand	28 July 1952	72 years, 153 days	13 October 2016	8 years, 76 days
35	Mahmud Sallehuddin	Kedah (part of Malaysia)	30 April 1942	82 years, 242 days	11 September 2017	7 years, 108 days
36	Abdullah Sultan Ahmad Shah	Pahang (part of Malaysia)	30 July 1959	65 years, 151 days	15 January 2019	5 years, 348 days
37	Naruhito	Japan	23 February 1960	64 years, 309 days	1 May 2019	5 years, 241 days
38	Haitham bin Tarik Al Said	Oman	11 October 1954	70 years, 78 days	11 January 2020	4 years, 352 days
39	Mohamed bin Zayed Al Nahyan	Abu Dhabi (part of United Arab Emirates)	11 March 1961	63 years, 292 days	13 May 2022	2 years, 229 days
40	Charles III	Antigua and Barbuda	14 November 1948	76 years, 44 days	8 September 2022	2 years, 111 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, 92 days	16 December 2023	1 year, 12 days
42	Frederik X	Denmark	26 May 1968	56 years, 216 days	14 January 2024	349 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