The Nobel Peace laureate and archbishop emeritus campaigned against a system he called evil and, after apartheid, helped the nation heal as head of the Truth and Reconciliation Commission.
Mugabe led the nation formerly known as Rhodesia from its independence from Britain in 1980 until 2017. He was once seen as a hero, but his leadership grew increasingly authoritarian.
South Africa's ruling party, the African National Congress, retained control of parliament following last week's national elections. The results reflect public disenchantment over corruption.
South Africans go to the polls to choose their next president in what is likely to be a referendum on the African National Congress' failure to achieve its post-apartheid promises amid corruption.
It's been 25 years since the African National Congress came to power, but it's failed to deliver on its promise to close the gulf between the haves and the largely black have-nots.
Mounting anger over government corruption and its failure to provide jobs and pull more people out of poverty could leach support from South Africa's ruling party in Wednesday's vote.