You must be 18 years old to marry in South Africa, same-sex or not.

everybody has a choice to be what ever he or she want in south africa

Same-sex couples are permitted to marry in South Africa. Under South African law, there is no difference between a same-sex marriage and an opposite-sex marriage. They are both marriages and there is only one kind of marriage.

South Africa is the only country in Sub-Saharan Africa where same-sex marriage is legal. It has been legal since November 30, 2006.

No countries in North Africa have legalized same-sex marriage.