| Country | Head of state | Age | The time of administration and way of taking office | Period of administration |
| Togo | Faure Gnassingbe | 50 | Inherited power from his father. In 2005 became president. His father Gnassingbé Eyadéma from 1967 to 2005 in power | His father ruled 44 years, personally ruled 11 years so far |
| Gabon | Ali Bongo Ondimba | 57 | Inherited power from his father. In October 2009 became president. His father Omar Bongo from 1967 to 2009 in power | His father ruled 44 years, personally ruled 7 years so far |
| Swaziland | Mswati III (King) | 48 | Inherited power from his father. 1982 succession to the throne, in 1986 the pro-government; Father Sobuza II reigned from 1921 to 1982 | His father ruled 90 years, personally ruled 34 years so far |
| Djibouti | Ismail Omar Guelleh | 69 | Since 1999, the 2010 parliament passed a constitutional amendment, the abolition of the number of re-presidential restrictions. His uncle Hassan Gouled Aptidon from 1977 to 1999 in power | His father ruled 14 years, personally ruled 17 years so far |
| Equatorial Guinea | Teodoro Obiang Nguema Mbasogo | 74 | Military strongman, from August 1979 military coup took office, re-elected four presidential terms | He ruled 37 years so far |
| Angola | Jose Eduardo dos Santos | 74 | In 1979 came to power and re-elected so far | He ruled 37 years so far |
| Zimbabwe | Robert Mugabe | 92 | In 1980 came to power and re-elected so far | He ruled 36 years so far |
| Cameroon | Paul Biya | 83 | In November 1982 came to power and re-elected so far | He ruled 34 years so far |
| Republic of the Congo | Denis Sassou Nguesso | 73 | Military origin, 1979 to 1992 in power and again in 1997 ruling so far | Altogether he ruled 32 years so far |
| Uganda | Yoweri Museveni | 72 | Military origin, came to power in January 1986 military coup, ruling so far | He ruled 30 years so far |
| Burkina Faso | Blaise Compaore | 65 | Military origin, came to power in 1987 military coup, October 2014 fled to the Ivory Coast | He ruled 27 years |
| Sudan | Omar al-Bashir | 72 | Military origin, came to power in 1989 military coup, ruling so far | He ruled 27 years so far |
| Chad | Idriss DebyItno | 64 | Military origin, came to power in 1990 military coup, ruling so far | He ruled 26 years so far |
| Ethiopia | Melese Zenawi | 57 | Military coup, in 1991 armed seizure of power | He ruled 21 years till he died but his political party ruled 25 years so far |
| Eritrea | Isaias Afwerki | 70 | In 1993 came to power, re-elected so far | He ruled 23 years so far |
| Gambia | Yahya Jammeh | 51 | Military strongman came to power in 1994 military coup, re-elected so far | He ruled 22 years so far |