The demonstrations were planned after Zuma’s sudden decision to change finance ministers, which had a detrimental effect on the economy.
Protesters in Johannesburg are gathering at the Nelson Mandela Bridge, while in Cape Town the meeting point is the Company Gardens.
Unite Against Corruption, which is leading marches in Johannesburg and Cape Town today, says Zwelinzima Vavi, Barbara Hogan and Reverend Mpho Tutu have all confirmed their attendance.
Spokesperson Johan de Meyer says several Non-Governmental Organisations (NGOs) are supporting the demonstrations.
