Teodoro Obiang | Equatorial Guinea | 44 years (since 1979)
Paul Biya | Cameroon | 41 years (since 1982)
Yoweri Museveni | Uganda | 37 years (since 1986)
Isaias Afwerki | Eritrea | 30 years (since 1993)
Dennis Sassou | Congo | 26 yrs (1997)
Paul Kagame l Rwanda l 23 years (2000)