List of current reigning monarchs by length of reign
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This is a list of currently enthroned monarchs sorted by length of service. It 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.
Elizabeth II is currently the longest-reigning monarch, having been Queen of the United Kingdom, Canada, Australia and New Zealand since 6 February 1952. She is also the monarch of 12 other Commonwealth realms which have become independent states since 1952; she is therefore listed multiple times in the table below.
List[edit]
| No. | Name | State(s) | Born | Age | Acceded | Years reigned |
|---|---|---|---|---|---|---|
| 1 | Elizabeth II | United Kingdom | 21 April 1926 | 94 years, 153 days | 6 February 1952 | 68 years, 228 days |
| Canada | ||||||
| Australia | ||||||
| New Zealand | ||||||
| 2 | Jamaica | 6 August 1962 | 58 years, 46 days | |||
| 3 | Barbados[a] | 30 November 1966 | 53 years, 296 days | |||
| 4 | Hassanal Bolkiah | Brunei | 15 July 1946 | 74 years, 68 days | 5 October 1967 | 52 years, 352 days |
| 5 | Margrethe II | Denmark | 16 April 1940 | 80 years, 158 days | 14 January 1972 | 48 years, 251 days |
| 6 | Sultan bin Mohamed Al-Qassimi III | Sharjah (United Arab Emirates) | 6 July 1939 | 81 years, 77 days | 25 January 1972 | 48 years, 240 days |
| 7 | Elizabeth II | The Bahamas | 21 April 1926 | 94 years, 153 days | 10 July 1973 | 47 years, 73 days |
| 8 | Carl XVI Gustaf | Sweden | 30 April 1946 | 74 years, 144 days | 15 September 1973 | 47 years, 6 days |
| 9 | Elizabeth II | Grenada | 21 April 1926 | 94 years, 153 days | 7 February 1974 | 46 years, 227 days |
| 10 | Hamad bin Mohammed Al Sharqi | Fujairah (United Arab Emirates) | 25 September 1948 | 71 years, 362 days | 18 September 1974 | 46 years, 3 days |
| 11 | Elizabeth II | Papua New Guinea | 21 April 1926 | 94 years, 153 days | 16 September 1975 | 45 years, 5 days |
| 12 | Solomon Islands | 7 July 1978 | 42 years, 76 days | |||
| 13 | Tuvalu | 1 October 1978 | 41 years, 356 days | |||
| 14 | Saint Lucia | 22 February 1979 | 41 years, 212 days | |||
| 15 | Saint Vincent and the Grenadines | 27 October 1979 | 40 years, 330 days | |||
| 16 | Humaid bin Rashid Al Nuaimi III | Ajman (United Arab Emirates) | 1931 | 89 years, 264 days | 6 September 1981 | 39 years, 15 days |
| 17 | Elizabeth II | Belize | 21 April 1926 | 94 years, 153 days | 21 September 1981 | 39 years, 0 days |
| 18 | Antigua and Barbuda | 1 November 1981 | 38 years, 325 days | |||
| 19 | Saint Kitts and Nevis | 19 September 1983 | 37 years, 2 days | |||
| 20 | Mswati III | Eswatini[b] | 19 April 1968 | 52 years, 155 days | 25 April 1986 | 34 years, 149 days |
| 21 | Hans-Adam II | Liechtenstein | 14 February 1945 | 75 years, 220 days | 13 November 1989 | 30 years, 313 days |
| 22 | Harald V | Norway | 21 February 1937 | 83 years, 213 days | 17 January 1991 | 29 years, 248 days |
| 23 | Letsie III | Lesotho | 17 July 1963 | 57 years, 66 days | 7 February 1996[c] | 28 years, 298 days[d] |
| 24 | Mizan Zainal Abidin | Terengganu (Malaysia) | 22 January 1962 | 58 years, 243 days | 15 May 1998 | 22 years, 129 days |
| 25 | Abdullah II | Jordan | 30 January 1962 | 58 years, 235 days | 7 February 1999 | 21 years, 227 days |
| 26 | Hamad bin Isa Al Khalifa | Bahrain | 28 January 1950 | 70 years, 237 days | 6 March 1999 | 21 years, 199 days |
| 27 | Mohammed VI | Morocco | 21 August 1963 | 57 years, 31 days | 23 July 1999 | 21 years, 60 days |
| 28 | Syed Sirajuddin | Perlis (Malaysia) | 17 May 1943 | 77 years, 127 days | 17 April 2000 | 20 years, 157 days |
| 29 | Henri | Luxembourg | 16 April 1955 | 65 years, 158 days | 7 October 2000 | 19 years, 350 days |
| 30 | Sharafuddin Idris Shah | Selangor (Malaysia) | 11 December 1945 | 74 years, 285 days | 22 November 2001 | 18 years, 304 days |
| 31 | Norodom Sihamoni | Cambodia | 14 May 1953 | 67 years, 130 days | 14 October 2004 | 15 years, 343 days |
| 32 | Khalifa bin Zayed Al Nahyan | Abu Dhabi (United Arab Emirates) | 7 September 1948 | 72 years, 14 days | 2 November 2004 | 15 years, 324 days |
| 33 | Albert II | Monaco | 14 March 1958 | 62 years, 191 days | 6 April 2005 | 15 years, 168 days |
| 34 | Mohammed bin Rashid Al Maktoum | Dubai (United Arab Emirates) | 15 July 1949 | 71 years, 68 days | 4 January 2006 | 14 years, 261 days |
| 35 | Sabah Al-Ahmad Al-Jaber Al-Sabah | Kuwait | 16 June 1929 | 91 years, 97 days | 29 January 2006 | 14 years, 236 days |
| 36 | Jigme Khesar Namgyel Wangchuck | Bhutan | 21 February 1980 | 40 years, 213 days | 9 December 2006 | 13 years, 287 days |
| 37 | Muhriz | Negeri Sembilan (Malaysia) | 14 January 1948 | 72 years, 251 days | 29 December 2008 | 11 years, 267 days |
| 38 | Saud bin Rashid Al Mu'alla | Umm al-Quwain (United Arab Emirates) | 1 October 1952 | 67 years, 356 days | 2 January 2009 | 11 years, 263 days |
| 39 | Ibrahim Ismail | Johor (Malaysia) | 22 November 1958 | 61 years, 304 days | 23 January 2010 | 10 years, 242 days |
| 40 | Muhammad V | Kelantan (Malaysia) | 6 October 1969 | 50 years, 351 days | 13 September 2010 | 10 years, 8 days |
| 41 | Saud bin Saqr al Qasimi | Ras al-Khaimah (United Arab Emirates) | 10 February 1956 | 64 years, 224 days | 27 October 2010 | 9 years, 330 days |
| 42 | Tupou VI | Tonga | 12 July 1959 | 61 years, 71 days | 18 March 2012 | 8 years, 187 days |
| 43 | Francis | Vatican City | 17 December 1936 | 83 years, 279 days | 13 March 2013 | 7 years, 192 days |
| 44 | Willem-Alexander | Netherlands | 27 April 1967 | 53 years, 147 days | 30 April 2013 | 7 years, 144 days |
| 45 | Tamim bin Hamad Al Thani | Qatar | 3 June 1980 | 40 years, 110 days | 25 June 2013 | 7 years, 88 days |
| 46 | Philippe | Belgium | 15 April 1960 | 60 years, 159 days | 21 July 2013 | 7 years, 62 days |
| 47 | Nazrin Muizzuddin Shah | Perak (Malaysia) | 27 November 1956 | 63 years, 299 days | 29 May 2014 | 6 years, 115 days |
| 48 | Felipe VI | Spain | 30 January 1968 | 52 years, 235 days | 19 June 2014 | 6 years, 94 days |
| 49 | Salman bin Abdulaziz Al Saud | Saudi Arabia | 31 December 1935 | 84 years, 265 days | 23 January 2015 | 5 years, 242 days |
| 50 | Vajiralongkorn (Rama X) | Thailand | 28 July 1952 | 68 years, 55 days | 13 October 2016 | 3 years, 344 days |
| 51 | Mahmud Sallehuddin | Kedah (Malaysia) | 30 April 1942 | 78 years, 144 days | 11 September 2017 | 3 years, 10 days |
| 52 | Abdullah Ri'ayatuddin | Pahang (Malaysia)[e] | 30 July 1959 | 61 years, 53 days | 15 January 2019 | 1 year, 250 days |
| 53 | Naruhito | Japan | 23 February 1960 | 60 years, 211 days | 1 May 2019 | 1 year, 143 days |
| 54 | Haitham bin Tariq Al Said | Oman | 13 October 1954 | 65 years, 344 days | 11 January 2020 | 254 days |
- ^ Barbados plans to remove Elizabeth II as their head of state and become a republic by November 2021.
- ^ The country was called the Kingdom of Swaziland until 19 April 2018.
- ^ Previously reigned 12 November 1990 – 25 January 1995.
- ^ Letsie III first reigned from 12 November 1990 to 25 January 1995, was deposed, and then returned to the throne on 7 February 1996. Length of reign calculation includes both tenures.
- ^ Abdullah Ri'ayatuddin is also the currently-reigning Yang di-Pertuan Agong, and has reigned for 1 year, 234 days (31 January 2019).