The Brookings Institution finds that in January, the 10 longest serving African leaders included: Mu’ammar al-Qadhafi of Libya (42 years) , Jose E. Dos Santos of Angola (32 years) , Teodoro Obiang Nguema Mi of Equatorial Guinea (32 years), Robert Mugabe of Zimbabwe (31 years), Hosni Mubarak of Egypt (30 years), Paul Biya of Cameroon (30 years), Yoweri Museveni of Uganda (25 years), Blaise Compaore of Burkina Faso (24 years), Zina el-Abidine Ben Ali of Tunisia (24 years) and Umar Hassan al-Bashir of Sudan (22 years). Within a short period of eight months, almost a third of them have been removed from power.