How can the South African Constitution be amended?

The South African Constitution may be amended by Parliament. However, different sections of the Constitution require different majority votes from various Parliamentary bodies.

Section 74 of the Constitution of South Africa states:

Chapter 1 of the Constitution may be amended by a Bill passed by:
(a) the National Assembly, with a supporting vote of at least 75 per cent of its members; and
(b) the National Council of Provinces, with a supporting vote of at least six provinces.

Chapter 2 of the Constitution may be amended by a Bill passed by:
(a) the National Assembly, with a supporting vote of at least two thirds of its members; and
(b) the National Council of Provinces, with a supporting vote of at least six provinces.

Any other provision of the Constitution may be amended by a Bill passed -
(a) by the National Assembly, with a supporting vote of at least two thirds of its members; and
(b) also by the National Council of Provinces, with a supporting vote of at least six provinces, if the amendment - 
(i) relates to a matter that affects the Council;
(ii) alters provincial boundaries, powers, functions or institutions; or
(iii) amends a provision that deals specifically with a provincial matter.

A Bill amending the Constitution may not include provisions other than constitutional amendments and matters connected with the amendments.

The South African Constitution has been successfully amended five times since it was enacted in 1995. For more information about the amendments, see the Constitutional court website [http://www.concourt.gov.za/constitution/index.html]