← 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 we track.

#	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	21,515
3	Chan Reachea	🇰🇭 Cambodia	1516–1566	18,263
4	Leopold II of Belgium	🇧🇪 Belgium	1865–1909	16,070
5	Baudouin I of Belgium	🇧🇪 Belgium	1951–1993	15,355
6	Elizabeth II	🇦🇬 Antigua and Barbuda	1981–2022	14,921
7	José Eduardo dos Santos	🇦🇴 Angola	1979–2017	13,885
8	Isa II of Bahrain	🇧🇭 Bahrain	1961–1999	13,594
9	Jigme Singye Wangchuck	🇧🇹 Bhutan	1972–2006	12,564
10	Leopold I of Belgium	🇧🇪 Belgium	1831–1865	12,561
11	Abdul Momin of Brunei	🇧🇳 Brunei	1852–1885	12,203
12	Mobutu Sese Seko	🇨🇩 Democratic Republic of the Congo	1965–1997	11,496
13	Idriss Déby	🇹🇩 Chad	1990–2021	11,097
14	Hamad II of BahrainIn office	🇧🇭 Bahrain	1999–now	10,040
15	Mehmet Shehu	🇦🇱 Albania	1954–1981	10,012
16	Blaise Compaoré	🇧🇫 Burkina Faso	1987–2014	9,878
17	Chey Chestha III	🇰🇭 Cambodia	1675–1706 (4 terms)	9,496
18	Ahmad Tajuddin of Brunei	🇧🇳 Brunei	1924–1950	9,396
19	Jigme Wangchuck	🇧🇹 Bhutan	1926–1952	9,353
20	Norodom Sihanouk	🇰🇭 Cambodia	1941–2004 (2 terms)	9,192
21	Albert I of Belgium	🇧🇪 Belgium	1909–1934	8,822
22	Omar Ali Saifuddin II of Brunei	🇧🇳 Brunei	1828–1852	8,766
23	Husin Kamaluddin of Brunei	🇧🇳 Brunei	1710–1740 (2 terms)	8,400
24	Ilham AliyevIn office	🇦🇿 Azerbaijan	2003–now	8,340
25	Norodom SihamoniIn office	🇰🇭 Cambodia	2004–now	7,991
26	Mathieu Kérékou	🇧🇯 Benin	1980–2006 (2 terms)	7,670
27	Hashim Jalilul Alam Aqamaddin of Brunei	🇧🇳 Brunei	1885–1906	7,641
28	Sheikh Hasina	🇧🇩 Bangladesh	1996–2024 (2 terms)	7,538
29	Dhamma Reachea III	🇰🇭 Cambodia	1702–1747 (3 terms)	7,305
30	Preah Satha I	🇰🇭 Cambodia	1576–1596	7,305
31	Nasruddin of Brunei	🇧🇳 Brunei	1690–1710	7,304
32	Albert II of Belgium	🇧🇪 Belgium	1993–2013	7,286
33	Abd al-Aziz Boutafliqa	🇩🇿 Algeria	1999–2019	7,280
34	Outey II	🇰🇭 Cambodia	1758–1777	7,274
35	Salman II of Bahrain	🇧🇭 Bahrain	1942–1961	7,245
36	Jigme Dorji Wangchuck	🇧🇹 Bhutan	1952–1972	7,207
37	Jigme Khesar Namgyel WangchuckIn office	🇧🇹 Bhutan	2006–now	7,200
38	Muhammad Kanzul Alam of Brunei	🇧🇳 Brunei	1807–1826	6,940
39	Ugyen Wangchuck	🇧🇹 Bhutan	1907–1926	6,822
40	Getúlio Vargas	🇧🇷 Brazil	1930–1954 (2 terms)	6,775
41	Robert Menzies	🇦🇺 Australia	1939–1966 (2 terms)	6,738
42	Muhammad Jamalul Alam II	🇧🇳 Brunei	1906–1924	6,699
43	Ang Eng	🇰🇭 Cambodia	1779–1796	6,521
44	Quett Masire	🇧🇼 Botswana	1980–1998	6,470
45	Leopold III of Belgium	🇧🇪 Belgium	1934–1951	6,352
46	Omar Ali Saifuddien III of Brunei	🇧🇳 Brunei	1950–1967	6,331
47	Borom Reachea V	🇰🇭 Cambodia	1642–1658	5,844
48	Outey	🇰🇭 Cambodia	1627–1642	5,479
49	Borom Reachea IV	🇰🇭 Cambodia	1603–1618	5,479
50	Aboubacar Sangoulé Lamizana	🇧🇫 Burkina Faso	1966–1980	5,440
51	Pierre Nkurunziza	🇧🇮 Burundi	2005–2020	5,400
52	Satha II	🇰🇭 Cambodia	1722–1736	5,113
53	Barom Reachea VI	🇰🇭 Cambodia	1658–1672	5,113
54	Evo Morales	🇧🇴 Bolivia	2006–2019	5,040
55	Seretse Khama	🇧🇼 Botswana	1966–1980	5,035
56	Sisowath Monivong	🇰🇭 Cambodia	1927–1941	5,006
57	Houari Boumédiène	🇩🇿 Algeria	1965–1978	4,938
58	Owen Arthur	🇧🇧 Barbados	1994–2008	4,880
59	Philippe of BelgiumIn office	🇧🇪 Belgium	2013–now	4,789
60	Bruno Kreisky	🇦🇹 Austria	1970–1983	4,781
61	Edi RamaIn office	🇦🇱 Albania	2013–now	4,733
62	Shadhli ibn Jadid	🇩🇿 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	John Howard	🇦🇺 Australia	1996–2007	4,284
68	Luiz Inácio Lula da SilvaIn office	🇧🇷 Brazil	2003–now (3 terms)	4,258
69	Chey Chestha I	🇰🇭 Cambodia	1585–1596	4,017
70	Hugo Banzer	🇧🇴 Bolivia	1971–2001 (2 terms)	3,988
71	Jean-Baptiste Bagaza	🇧🇮 Burundi	1976–1987	3,957
72	Errol Barrow	🇧🇧 Barbados	1966–1987 (2 terms)	3,950
73	Franz Vranitzky	🇦🇹 Austria	1986–1997	3,879
74	Marc Forné Molné	🇦🇩 Andorra	1994–2005	3,824
75	Heydar Aliyev	🇦🇿 Azerbaijan	1993–2003 (2 terms)	3,823
76	Carlos Menem	🇦🇷 Argentina	1989–1999	3,807
77	Patrice Talon	🇧🇯 Benin	2016–2026	3,700
78	Khaleda Zia	🇧🇩 Bangladesh	1991–2006 (2 terms)	3,682
79	Juan Perón	🇦🇷 Argentina	1946–1974 (2 terms)	3,658
80	Thomas Boni Yayi	🇧🇯 Benin	2006–2016	3,653
81	Festus Mogae	🇧🇼 Botswana	1998–2008	3,653
82	Ang Tong Reachea	🇰🇭 Cambodia	1630–1640	3,652
83	Borom Reachea II	🇰🇭 Cambodia	1566–1576	3,652
84	Seretse Khama Ian Khama	🇧🇼 Botswana	2008–2018	3,651
85	Michel Micombero	🇧🇮 Burundi	1966–1976	3,626
86	Manuel Esquivel	🇧🇿 Belize	1984–1998 (2 terms)	3,609
87	Boyko Borissov	🇧🇬 Bulgaria	2009–2021 (3 terms)	3,606
88	Andrés de Santa Cruz	🇧🇴 Bolivia	1829–1839	3,559
89	Enver Hoxha	🇦🇱 Albania	1944–1954	3,556
90	Said Musa	🇧🇿 Belize	1998–2008	3,451
91	Hamad I of Bahrain	🇧🇭 Bahrain	1932–1942	3,360
92	Adil Çarçani	🇦🇱 Albania	1981–1991	3,353
93	Preah Keo Fa III	🇰🇭 Cambodia	1700–1722 (2 terms)	3,287
94	Chey Chestha II	🇰🇭 Cambodia	1618–1627	3,287
95	Ismael Montes Gamboa	🇧🇴 Bolivia	1904–1917 (2 terms)	3,286
96	João LourençoIn office	🇦🇴 Angola	2017–now	3,261
97	Bob Hawke	🇦🇺 Australia	1983–1991	3,206
98	Tom Adams	🇧🇧 Barbados	1976–1985	3,106
99	Mokgweetsi MasisiIn office	🇧🇼 Botswana	2018–now	3,074
100	Nikol PashinyanIn office	🇦🇲 Armenia	2018–now (3 terms)	3,037