6) Alpha Condé (Age: 79)
Alpha Conde is the President of Guinea. Born on 4 March 1938 in Boke, he has been leading the nation as its president since 21 December 2010. He belongs to the Rally of the Guinean People (RPG) party. He was the first freely elected president in the history of the nation.
5) Manuel Pinto da Costa (Age: 80)
Manuel Pinto da Costa served as the first President of Sao Tome and Principe between 1975 and 1991. He was reelected in 2011. Manuel Pinto de Costa was born on 5 August 1937.