The number of billionaires from the shores of Africa has risen to 23 in January 2018, and atop that list sits businessman Aliko Dangote.

Three Nigerians featured in Forbes' 23 African Billionaires list, Dangote retaining the throne for the 7th year in a row with $12.2 billion.

The two other Nigerians are the owner of GLO telecommunications, Mike Adenuga with $5.3 billion, and oil magnate Folorunsho Alakija.

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The only other woman on the list is Angola's Isabel dos Santos with $2.7 billion, down from $3.2 billion a year ago.

8 South Africans featured on the list, the highest for any African country, diamond mining heir Nicky Oppenheimer with $7.7 billion being the richest of the lot.

See the full list of Africa's 23 billionaires: