South Africa's constitution creates a parliamentary republic with a distinctive twist: the president is both head of state and head of government but is elected by the National Assembly rather than by direct popular vote. This makes the presidency dependent on parliamentary support, and it means that internal party politics — specifically, the ANC's internal leadership processes — have historically been more consequential than general elections in determining who governs the country. The recall of Thabo Mbeki in 2008, the internal party removal of Jacob Zuma, and the elevation of Cyril Ramaphosa were all decided within ANC structures before being ratified by the National Assembly. The president appoints the cabinet, sets the executive agenda, and exercises significant constitutional powers, but can be removed by the National Assembly through a motion of no confidence — a threat that became real when the Zuma presidency tested the limits of institutional tolerance for executive misconduct.
The system of cooperative governance divides authority among national, provincial, and local spheres, each with constitutionally defined competences. Nine provinces have elected legislatures and premiers, but provincial autonomy is weaker than in federal systems like Germany or Brazil — provinces depend heavily on national fiscal transfers and have limited independent revenue-raising capacity, which means that the national government retains effective control over most governance outcomes through the budget process. Local government, responsible for service delivery in water, electricity, housing, and sanitation, is where the crisis of governance is most visible: municipal failures, corruption, and infrastructure collapse have produced waves of service delivery protests that represent one of the most sustained forms of grassroots political mobilization in any democracy.