Money makes money - and these six South Africans have made a lot of it over the years. And by a lot, we mean a LOT!

13. Nicky Oppenheimer, South Africa — $6.6 billion (+$100 million) — As chairman of De Beers, Oppenheimer's wealth comes from the diamond industry, and has sneaked up by 1.5% since 2011.

She is granddaughter of Sir Ernest Oppenheimer, founder of the Anglo-American Corporation of South Africa, as well as daughter of Harry Oppenheimer. Mary Slack doesn’t shy away from her wealth ...

African billionaires have seen remarkable net worth increases in 2025, driven by economic shifts and global market trends. Aliko Dangote, Africa’s richest man, has experienced the most growth. Since ...

Remaining strong in a male-dominated domain and staying her ground, has kept her earning respect of her peers in the industry ...