Current reigning monarchs by length of reign List List

| Rank_ | Name_ | Nations | Born | Ascended | Years_reigned_ |
|---|---|---|---|---|---|
| 14. | Humaid bin Rashid Al Nuaimi | Ajman (United Arab Emirates) | 1931 | 6 September 1981 | 32 years, 279 days |
| 15. | Azlan Muhibbuddin Shah | Perak (Malaysia) | 19 April 1928 | 3 February 1984 | 30 years, 129 days |
| 16. | Mswati III | Swaziland | 19 April 1968 | 25 April 1986 | 28 years, 48 days |
| 17. | Akihito | Japan | 23 December 1933 | 7 January 1989 | 25 years, 156 days |
| 18. | Hamengkubuwana X | Yogyakarta (Indonesia) | 2 April 1946 | 7 March 1989 | 25 years, 97 days |
| 19. | Hans-Adam II | Liechtenstein | 14 February 1945 | 13 November 1989 | 24 years, 211 days |
| 20. | Letsie III | Lesotho | 17 July 1963 | 12 November 1990 | 23 years, 212 days |
| 21. | Harald V | Norway | 21 February 1937 | 17 January 1991 | 23 years, 146 days |