The government is run as a parliamentary democracy with three tier system.
Step-by-step explanation:
South African government operates under the parliamentary system wherein the members of the parliaments are elected as representatives of the people and their interest. hence it is a representative democratic republic. It has three tier system which means it has a legislature, executive and judiciary. President is both head of the states and the central government.
Legislature comprise of two houses National Assembly and national council. Executive office comprise of president, executive president and cabinet of ministers. Judicial branch is independent and works in an autonomous manner which enables the Apex court to interpret the law and apply it in a fair manner.