South Africa, one of the hardest hit countries in the continent, has registered a total of 1,513,393 coronavirus cases and 49,993 deaths so far.
From May 1, the lockdown will move to level 4 where some businesses will be allowed to resume operations under strict conditions.
Malema further added to his comment that parliament was wrong to invite to De Klerk. It is a tradition for former presidents to attend the annual address given by a sitting president.
Protesters gathered in countries as diverse as Guatemala, Russia, Sudan and Turkey, where riot police in Istanbul blocked the path of roughly 2,000 protesters before firing tear gas and plastic bullets to disperse them.
Zuma faces 16 charges of fraud, graft and racketeering related to the 1990s arms deal struck when he was deputy president to the country's second black president Thabo Mbeki.
Zuma, 77, has denied all wrongdoing, and his lawyers have described the inquiry as an attempt to "ambush and humiliate" him.
The Prime Minister, who is in Osaka for the G20 Summit, congratulated Jair Bolsonaro on being elected as the President of Brazil and welcomed him in the BRICS family.
Ramaphosa will be sworn in on Saturday and name a deputy president and cabinet at the weekend.
A Congress delegation led by Gandhi and former Prime Minister Manmohan Singh met Ramaphosa, also the President of African National Congress (ANC).