Move over Oprah, Nigerian oil tycoon Folorunsho Alakija is currently the richest African woman on earth by having an estimated fortune of $7.3 billion.
Africa boasts 55 billionaires – far significantly more than previously thought – and they're worth a staggering $143.88 billion as a whole, according to pan-African magazine Ventures Africa.
Starting her career as a secretary in a bank in the mid 1970s, Alakija, 62, then studied fashion in London and returned to Nigeria to take up a label, Supreme Stitches. But her biggest break came in oil.
Continue after the break.