92 and counting Biya is yet to announce his candidacy but has ruled Cameroon for more than 42 years. If he runs and is elected, he will be 99 years old by the time the next elections come around ...

Cameroonian President Paul Biya, the world’s oldest head of state, turns 92 on Thursday. Biya is the world's longest-serving national leader and Africa's second-longest-ruling president.