← Top 10 and modern history

Longest-serving leaders: full top 100

The full top 100 longest-serving heads of state and government across every country on TermClock.

#	Leader	Country	In office	Days
1	Johann II, Prince of Liechtenstein	🇱🇮 Liechtenstein	1858–1929	25,932
2	Hassanal Bolkiah I of BruneiIn office	🇧🇳 Brunei	1967–now	21,562
3	Isa I of Bahrain	🇧🇭 Bahrain	1869–1923	19,533
4	Leopold II of Belgium	🇧🇪 Belgium	1865–1909	16,070
5	Paul BiyaIn office	🇨🇲 Cameroon	1982–now	16,051
6	Baudouin I of Belgium	🇧🇪 Belgium	1951–1993	15,355
7	Elizabeth II	🇦🇬 Antigua and Barbuda	1981–2022	14,921
8	José Eduardo dos Santos	🇦🇴 Angola	1979–2017	13,885
9	Isa II of Bahrain	🇧🇭 Bahrain	1961–1999	13,594
10	Jigme Singye Wangchuck	🇧🇹 Bhutan	1972–2006	12,564
11	Leopold I of Belgium	🇧🇪 Belgium	1831–1865	12,561
12	Abdul Momin of Brunei	🇧🇳 Brunei	1852–1885	12,203
13	Alexander LukashenkaIn office	🇧🇾 Belarus	1994–now	11,777
14	Mobutu Sese Seko	🇨🇩 Democratic Republic of the Congo	1965–1997	11,496
15	Hamad II of BahrainIn office	🇧🇭 Bahrain	1999–now	10,087
16	Mehmet Shehu	🇦🇱 Albania	1954–1981	10,012
17	Blaise Compaoré	🇧🇫 Burkina Faso	1987–2014	9,878
18	Chey Chestha III	🇰🇭 Cambodia	1675–1706 (4 terms)	9,496
19	Ahmad Tajuddin of Brunei	🇧🇳 Brunei	1924–1950	9,396
20	Jigme Wangchuck	🇧🇹 Bhutan	1926–1952	9,353
21	Norodom Sihanouk	🇰🇭 Cambodia	1941–2004 (2 terms)	9,192
22	Muhammad bin Khalifa Al Khalifa	🇧🇭 Bahrain	1843–1868	9,131
23	Albert I of Belgium	🇧🇪 Belgium	1909–1934	8,822
24	Omar Ali Saifuddin II of Brunei	🇧🇳 Brunei	1828–1852	8,766
25	Husin Kamaluddin of Brunei	🇧🇳 Brunei	1710–1740 (2 terms)	8,400
26	Ilham AliyevIn office	🇦🇿 Azerbaijan	2003–now	8,387
27	Norodom SihamoniIn office	🇰🇭 Cambodia	2004–now	8,038
28	Mathieu Kérékou	🇧🇯 Benin	1980–2006 (2 terms)	7,670
29	Hashim Jalilul Alam Aqamaddin of Brunei	🇧🇳 Brunei	1885–1906	7,641
30	Sheikh Hasina	🇧🇩 Bangladesh	1996–2024 (2 terms)	7,538
31	Dhamma Reachea III	🇰🇭 Cambodia	1702–1747 (3 terms)	7,305
32	Nasruddin of Brunei	🇧🇳 Brunei	1690–1710	7,304
33	Albert II of Belgium	🇧🇪 Belgium	1993–2013	7,286
34	Abd al-Aziz Boutafliqa	🇩🇿 Algeria	1999–2019	7,280
35	Outey II	🇰🇭 Cambodia	1758–1777	7,274
36	Jigme Khesar Namgyel WangchuckIn office	🇧🇹 Bhutan	2006–now	7,247
37	Salman II of Bahrain	🇧🇭 Bahrain	1942–1961	7,245
38	Jigme Dorji Wangchuck	🇧🇹 Bhutan	1952–1972	7,207
39	Muhammad Kanzul Alam of Brunei	🇧🇳 Brunei	1807–1826	6,940
40	Ugyen Wangchuck	🇧🇹 Bhutan	1907–1926	6,822
41	Getúlio Vargas	🇧🇷 Brazil	1930–1954 (2 terms)	6,775
42	Robert Menzies	🇦🇺 Australia	1939–1966 (2 terms)	6,738
43	Muhammad Jamalul Alam II	🇧🇳 Brunei	1906–1924	6,699
44	Ang Eng	🇰🇭 Cambodia	1779–1796	6,521
45	Quett Masire	🇧🇼 Botswana	1980–1998	6,470
46	Leopold III of Belgium	🇧🇪 Belgium	1934–1951	6,352
47	Omar Ali Saifuddien III of Brunei	🇧🇳 Brunei	1950–1967	6,331
48	Borom Reachea V	🇰🇭 Cambodia	1642–1658	5,844
49	Aboubacar Sangoulé Lamizana	🇧🇫 Burkina Faso	1966–1980	5,440
50	Pierre Nkurunziza	🇧🇮 Burundi	2005–2020	5,400
51	Satha II	🇰🇭 Cambodia	1722–1736	5,113
52	Barom Reachea VI	🇰🇭 Cambodia	1658–1672	5,113
53	Evo Morales	🇧🇴 Bolivia	2006–2019	5,040
54	Seretse Khama	🇧🇼 Botswana	1966–1980	5,035
55	Sisowath Monivong	🇰🇭 Cambodia	1927–1941	5,006
56	Houari Boumédiène	🇩🇿 Algeria	1965–1978	4,938
57	Owen Arthur	🇧🇧 Barbados	1994–2008	4,880
58	Philippe of BelgiumIn office	🇧🇪 Belgium	2013–now	4,836
59	Bruno Kreisky	🇦🇹 Austria	1970–1983	4,781
60	Edi RamaIn office	🇦🇱 Albania	2013–now	4,780
61	Ahmed ibn Muhammad ibn Khalifa	🇧🇭 Bahrain	1783–1796	4,748
62	Chadli Bendjedid	🇩🇿 Algeria	1979–1992	4,719
63	Dean Barrow	🇧🇿 Belize	2008–2020	4,661
64	Pierre Buyoya	🇧🇮 Burundi	1987–2003 (2 terms)	4,607
65	Víctor Paz Estenssoro	🇧🇴 Bolivia	1952–1989 (4 terms)	4,585
66	Julio Argentino Roca	🇦🇷 Argentina	1880–1904 (2 terms)	4,382
67	Luiz Inácio Lula da SilvaIn office	🇧🇷 Brazil	2003–now (3 terms)	4,307
68	John Howard	🇦🇺 Australia	1996–2007	4,284
69	Hugo Banzer	🇧🇴 Bolivia	1971–2001 (2 terms)	3,988
70	Jean-Baptiste Bagaza	🇧🇮 Burundi	1976–1987	3,957
71	Errol Barrow	🇧🇧 Barbados	1966–1987 (2 terms)	3,950
72	Franz Vranitzky	🇦🇹 Austria	1986–1997	3,879
73	Marc Forné Molné	🇦🇩 Andorra	1994–2005	3,824
74	Heydar Aliyev	🇦🇿 Azerbaijan	1993–2003 (2 terms)	3,823
75	Carlos Menem	🇦🇷 Argentina	1989–1999	3,807
76	Patrice Talon	🇧🇯 Benin	2016–2026	3,700
77	Khaleda Zia	🇧🇩 Bangladesh	1991–2006 (2 terms)	3,682
78	Juan Perón	🇦🇷 Argentina	1946–1974 (2 terms)	3,658
79	Thomas Boni Yayi	🇧🇯 Benin	2006–2016	3,653
80	Festus Mogae	🇧🇼 Botswana	1998–2008	3,653
81	Mohammed bin Khalifa Al Khalifa	🇧🇭 Bahrain	1762–1772	3,652
82	Ang Tong Reachea	🇰🇭 Cambodia	1630–1640	3,652
83	Seretse Khama Ian Khama	🇧🇼 Botswana	2008–2018	3,651
84	Michel Micombero	🇧🇮 Burundi	1966–1976	3,626
85	Manuel Esquivel	🇧🇿 Belize	1984–1998 (2 terms)	3,609
86	Boyko Borissov	🇧🇬 Bulgaria	2009–2021 (3 terms)	3,606
87	Andrés de Santa Cruz	🇧🇴 Bolivia	1829–1839	3,559
88	Enver Hoxha	🇦🇱 Albania	1944–1954	3,556
89	Said Musa	🇧🇿 Belize	1998–2008	3,451
90	Hamad I of Bahrain	🇧🇭 Bahrain	1932–1942	3,360
91	Adil Çarçani	🇦🇱 Albania	1981–1991	3,353
92	João LourençoIn office	🇦🇴 Angola	2017–now	3,308
93	Preah Keo Fa III	🇰🇭 Cambodia	1700–1722 (2 terms)	3,287
94	Ismael Montes Gamboa	🇧🇴 Bolivia	1904–1917 (2 terms)	3,286
95	Bob Hawke	🇦🇺 Australia	1983–1991	3,206
96	Mokgweetsi MasisiIn office	🇧🇼 Botswana	2018–now	3,121
97	Tom Adams	🇧🇧 Barbados	1976–1985	3,106
98	Nikol PashinyanIn office	🇦🇲 Armenia	2018–now (3 terms)	3,084
99	Mia MottleyIn office	🇧🇧 Barbados	2018–now	3,067
100	Julius Raab	🇦🇹 Austria	1953–1961	2,931