The country has been waiting for a female president, who has not been chosen yet, to take charge, after a man took power in 2014 and a woman was sworn in.
The country is set to hold elections on July 18 and a presidential candidate is widely expected to win.
The president’s term expires on May 18.
The election could be pivotal in South Africa as it struggles with a sluggish economy and an increasing number of refugees.
A new president will have to deal with issues of racial equality and gender equality, as well as racial inequality and violence.
The nation is facing an increasing wave of anti-immigrant sentiment, with some polls showing that about two-thirds of South Africans are opposed to a return to white-minority rule.