Recently, the Constitutional Council in Cameroon declared Paul Biya the winner of the October 12 presidential election, securing 53.66% of the total vote cast.
With this declaration, 92-year-old Paul Biya has become the world's oldest serving president.
Teodoro Obiang Nguema Mbasogo of Equatorial Guinea holds the title for the longest-serving president in Africa and globally.
Paul Biya secured 53.66% of the total vote cast to defeat his closest opponent Issa Tchiroma Bakary.
Here is a look at the ten longest serving presidents in Africa and what has been sustaining their tight grip on power.
Author's summary: Africa's longest-serving presidents hold tight grip on power.