Longest-Serving Current World Leaders

Monarch
Dictator

#

Leader

Country

Came to Power

Total years in power (2010)

current age
(2010)

1

King Rama IX

Thailand

1946

64

82

2

Queen Elizabeth II

United Kingdom

1952

58

84

3

Sultan Hassanal Bolkiah

Brunei

1967

38

64

4

Colonel Momar Quaddafi

Libya

1969

36

68

5

Queen Margrethe II

Denmark

1972

33

68

6

King Carl Gustaf XVI

Sweden

1973

32

64

7

King Juan Carlos

Spain

1976

29

72

8

President Nguema Mbasogo

Equatorial Guinea

1979

27

68

9

Queen Beatrix

Netherlands

1980

20

72

Comparative Long-reigning World Leaders of the Past

Leader
Country
reign
Total years in power
Age at Death
Emperor Franz-Joseph
Austria-Hungary
1848 - 1916
67
86
Queen Victoria
United Kingdom
1837 - 1901
64
82
King Victor Emanuel III
Italy
1900 - 1946
45
78
Emperor Hirohito
Japan
1926 - 1989
63
88
Emperor Haile Selassie
Ethiopia
1930 - 1974
44
83
General Francisco Franco
Spain
1939 - 1975
36
83
President Kim Il Sung
North Korea
1945 - 1994
49
82
General Secretary Enver Hoxha
Albania
1948 - 1985
37
76
Prince Ranier II
Monaco
1949 - 2005
56
82
President Alfredo Stroessner*
Paraguay
1954 - 1989
35
President Fidel Castro*
Cuba
1959 - 2008
48
King Hassan II
Morocco
1961 - 1999
38
70
King Tupou IV
Tonga
1965 - 2006
40
87

President Omar Bongo

Gabon

1967 -2009

38

74

President Gnassingbe Eyadema
Togo
1967 - 2005
38
68

* did not die in office