Mo Ibrahim at a past event in Addis Ababa. His list of potential winners is short indeed. (Photo/ Flickr/ Mo Ibrahim Foundation)

No Winner For Ibrahim Prize, Again: Just Four Former Presidents In Africa Are Even Eligible

In all other countries, presidents have either died in office, been deposed in a coup or revolution, lost at the ballot, or changed the constitution to extend their term in office.

Only Mugabe (L) and Malawi's Kamuzu Banda (R) have managed to defy the odds and rule into their 90s. Banda nearly clocked 100.

Mugabe In The League Of Extraordinary Old Gentlemen: Will He Equal Malawi’s Kamuzu Banda?

Mugabe’s longevity is remarkable, considering that he has two agemates in Africa who left office long ago: Daniel arap Moi of Kenya and Kenneth Kaunda of Zambia were both born in 1924, like Mugabe.