List of current longest ruling non-royal national leaders

Table columns:
Rank
Image
Name
Country
Office
Tenure began
Length of tenure

Table rows:
cells: 1.0
Paul Biya
Cameroon
Prime Minister, then President[1]
30 June 1975
42 years, 123 days
cells: 2.0
Teodoro Obiang Nguema Mbasogo
Equatorial Guinea
President[2]
3 August 1979
38 years, 89 days
cells: 3.0
Robert Mugabe
Zimbabwe
Prime Minister, then President[3]
18 April 1980
37 years, 196 days
cells: 4.0
Ali Khamenei
Iran
President, then Supreme Leader[4]
13 October 1981
36 years, 18 days
cells: 5.0
Nursultan Nazarbayev
Kazakhstan
Prime Minister, then First Secretary, then President[5]
22 March 1984
33 years, 223 days
cells: 6.0
Denis Sassou Nguesso
Republic of the Congo
President[6]
8 February 1979 – 31 August 1992 (1st time) 25 October 1997 – present (2nd time)
33 years, 211 days
cells: 7.0
Hun Sen
Cambodia
Prime Minister[7]
14 January 1985
32 years, 290 days
cells: 8.0
Yoweri Museveni
Uganda
President
26 January 1986
31 years, 278 days
cells: 9.0
Omar al-Bashir
Sudan
President[8]
30 June 1989
28 years, 123 days
cells: 10.0
Idriss Déby
Chad
President[9]
2 December 1990
26 years, 333 days
cells: 11.0
Isaias Afwerki
Eritrea
President[10]
27 April 1991
26 years, 187 days
cells: 12.0
Emomali Rahmon
Tajikistan
Acting Head of State, then President[11]
19 November 1992
24 years, 346 days
cells: 13.0
Paul Kagame
Rwanda
Vice-President, then President[12]
19 July 1994
23 years, 104 days
cells: 14.0
Alexander Lukashenko
Belarus
President
20 July 1994
23 years, 103 days
cells: 15.0
Artur Rasizade
Azerbaijan
Prime Minister[13]
20 July 1996 – 4 August 2003 (1st time) 6 August 2003 – present (2nd time)
21 years, 101 days
cells: 16.0
Daniel Ortega
Nicaragua
Acting Head of State, then President[14]
4 March 1981 – 25 April 1990 (1st time) 10 January 2007 – present (2nd time)
19 years, 346 days
cells: 17.0
Kim Yong-nam
North Korea
President of the Presidium of the Supreme People's Assembly[15]
5 September 1998
19 years, 56 days
cells: 18.0
Tuilaepa Aiono Sailele Malielegaoi
Samoa
Prime Minister
23 November 1998
18 years, 342 days
cells: 19.0
Abdelaziz Bouteflika
Algeria
President
27 April 1999
18 years, 187 days
cells: 20.0
Ismaïl Omar Guelleh
Djibouti
President
8 May 1999
18 years, 176 days
cells: 21.0
Vladimir Putin
Russia
Prime Minister, then President[16]
9 August 1999
18 years, 83 days
cells: 22.0
Keith Mitchell
Grenada
Prime Minister
22 June 1995 – 9 July 2008 (1st time) 20 February 2013 – present (2nd time)
17 years, 270 days
cells: 23.0
Hage Geingob
Namibia
Prime Minister, then President[17]
21 March 1990 – 28 August 2002 (1st time) 4 December 2012 – present (2nd time)
17 years, 126 days
cells: 24.0
Bashar al-Assad
Syria
President
17 July 2000
17 years, 106 days
cells: 25.0
Joseph Kabila
Democratic Republic of the Congo
President
17 January 2001
16 years, 287 days
cells: 26.0
Ralph Gonsalves
Saint Vincent and the Grenadines
Prime Minister
29 March 2001
16 years, 216 days
cells: 27.0
Barnabas Sibusiso Dlamini
Swaziland
Prime Minister
26 July 1996 – 29 September 2003 (1st time) 23 October 2008 – present (2nd time)
16 years, 72 days
cells: 28.0
Dési Bouterse
Suriname
De Facto Head of State, then President[18]
25 February 1980 – 25 January 1988 (1st time) 12 August 2010 – present (2nd time)
15 years, 49 days
cells: 29.0
Recep Tayyip Erdoğan
Turkey
Prime Minister, then President[19]
14 March 2003
14 years, 231 days
cells: 30.0
Filip Vujanović
Montenegro
President[20]
22 May 2003
14 years, 162 days
cells: 31.0
Ilham Aliyev
Azerbaijan
Prime Minister, then President[21]
4 August 2003
14 years, 88 days
cells: 32.0
Abdelkader Taleb Omar
Sahrawi Arab Democratic Republic
Prime Minister
29 October 2003
14 years, 2 days
cells: 33.0
Shavkat Mirziyoyev
Uzbekistan
Prime Minister, then President[22]
12 December 2003
13 years, 323 days
cells: 34.0
Sheikh Hasina
Bangladesh
Prime Minister
23 June 1996 – 15 July 2001 (1st time) 6 January 2009 – present (2nd time)
13 years, 320 days
cells: 35.0
Roosevelt Skerrit
Dominica
Prime Minister
8 January 2004
13 years, 296 days
cells: 36.0
Mahmoud Abbas
Palestine
Prime Minister, then President[23]
19 March 2003 – 6 September 2003 (1st time) 15 January 2005 – present (2nd time)
13 years, 95 days
cells: 37.0
Lee Hsien Loong
Singapore
Prime Minister
12 August 2004
13 years, 80 days
cells: 38.0
Tommy Remengesau
Palau
President
1 January 2001 – 15 January 2009 (1st time) 17 January 2013 – present (2nd time)
12 years, 301 days
cells: 39.0
Faure Gnassingbé
Togo
President[24]
5 February 2005 – 25 February 2005 (1st time) 4 May 2005 – present (2nd time)
12 years, 200 days
cells: 40.0
Salva Kiir Mayardit
South Sudan
President[25]
30 July 2005
12 years, 93 days
cells: 41.0
Pierre Nkurunziza
Burundi
President
26 August 2005
12 years, 66 days
cells: 42.0
Angela Merkel
Germany
Federal Chancellor
22 November 2005
11 years, 343 days
cells: 43.0
Ellen Johnson Sirleaf
Liberia
President
16 January 2006
11 years, 288 days
cells: 44.0
Evo Morales
Bolivia
President
22 January 2006
11 years, 282 days
cells: 45.0
Benjamin Netanyahu
Israel
Prime Minister
18 June 1996 – 6 July 1999 (1st time) 31 March 2009 – present (2nd time)
11 years, 231 days
cells: 46.0
Viktor Orbán
Hungary
Prime Minister
6 July 1998 – 27 May 2002 (1st time) 29 May 2010 – present (2nd time)
11 years, 115 days
cells: 47.0
Raúl Castro
Cuba
First Secretary, President and Prime Minister[26]
31 July 2006
11 years, 92 days
cells: 48.0
Doris Leuthard
Switzerland
Federal Council Member, currently President[27]
1 August 2006
11 years, 91 days
cells: 49.0
Frank Bainimarama
Fiji
Acting Head of State, then Prime Minister[28]
29 May 2000 – 13 July 2000 (1st time) 5 December 2006 – present (2nd time)
11 years, 10 days
cells: 50.0
Gurbanguly Berdimuhamedow
Turkmenistan
President[29]
21 December 2006
10 years, 314 days
cells: 51.0
Serzh Sargsyan
Armenia
Prime Minister, then President[30]
25 March 2007
10 years, 220 days
cells: 52.0
Ahmed Ouyahia
Algeria
Prime Minister
31 December 1995 – 15 December 1998 (1st time) 5 May 2003 – 24 May 2006 (2nd time) 23 June 2008 – 3 September 2012 (3rd time) 16 August 2017 – present (4th time)
10 years, 151 days
cells: 53.0
Ibrahim Boubacar Keïta
Mali
Prime Minister, then President[31]
4 February 1994 – 15 February 2000 (1st time) 4 September 2013 – present (2nd time)
10 years, 68 days
cells: 54.0
Bako Sahakyan
Artsakh[32]
President
7 September 2007
10 years, 54 days
cells: 55.0
Ernest Bai Koroma
Sierra Leone
President
17 September 2007
10 years, 44 days

Questions about this table:
originalText: who is the longest serving president in the world
answer: answerTexts: Paul Biya