One should only apply for permanent residency if you are serious about staying in South Africa on a permanent basis. There are many categories you can apply under,it may be under abusiness permit ,work permit ,retirement permit or a financially independent permit .See link for more information on how you can process your residency http://www.sami.co.za/permanent-residence
If you migrated to South Africa, have permanent residence, satisfy the residential requirements and are of good character you may be eligible for citizenship.On the other hand anybody who was born outside of South Africa to a South African citizen. His or her birth has to be registered in line with the births and deaths registration act 51 of 1992 so as to claim your citizenship .http://www.sami.co.za/citizenship
More than 130,000 students come to study into South Africa every year . Foreign students bring a rich culture to our classrooms. Your knowledge and skills are welcome in our schools.For more information on how to get a study visa in South Africa see link http://www.sami.co.za/study-permit
The South African relatives permit/ visa allow South African citizens and permanent residents to sponsor their immediate family members to immigrate to South Africa. Either visa may be issued as a temporary or permanent immigration service, however permanent residency depends upon the relationship between the applicant and their sponsor. see link http://www.sami.co.za/relatives-permit
Foreigners who are spouses of South African citizens or permanent resident holders may apply for their spouse permit and upon receiving it, apply for permanent residence subject to being together for 5 years.
This type of South Africa Spouse permit is available to people in either heterosexual or same-sex relationships and can be applied for as either a spouse temporary residence permit or a permanent residence permit depending on the length of the marriage or relationship in question.SA Migration has the honor of assisting you in your application , see link http://www.sami.co.za/life-partner-visa-and-spousal-visa-for-south-africa
South African business visas are granted for a period of twenty-four months, which can be extended indefinitely providing that the SA visa requirements below continue to be met.
In addition, like South African work permits, business permit holders may ultimately apply for a permanent residence permit. see link http://www.sami.co.za/business-permit