Longest-Serving Living Monarchs
Updated February 21, 2017 | Factmonster Staff
With the death of King Bhumibol Adulyadej of Thailand in 2016 after a 70-year reign, Queen Elizabeth II of the U.K. became the longest-serving living monarch, reigning since 1952.
![]() Sweden's King Carl Gustaf and Queen Silvia |
| Rank | Monarch | Country | Beginning of reign |
|---|---|---|---|
| 1. | Elizabeth II | United Kingdom | 2/6/1952 |
| 2. | Hassanal Bolkiah | Brunei | 10/5/1967 |
| 3. | Qaboos bin Said al Said | Oman | 7/23/1970 |
| 4. | Margrethe II | Denmark | 1/14/1972 |
| 5. | Carl XVI Gustaf | Sweden | 9/15/1973 |
| 6. | Mswati III | Swaziland | 4/25/1986 |
| 7. | Akihito | Japan | 1/7/1989 |
| 8. | Hans-Adam II | Liechtenstein | 11/13/1989 |
| 9. | Harald V | Norway | 1/17/1991 |
| 10. | Letsie III | Lesotho | 2/7/1996 |
Source: royaltymonarchy.com.
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