South Africa leads in headcount, with seven billionaires, more than other African countries.
Nigeria leads in wealth, with four billionaires worth $47.5 billion, $4.5 billion more than the combined $43 billion of South Africa's seven billionaires.
Nigeria's billionaires are richer individually, with an average net worth of $11.9 billion, compared with South Africa's $6.1 billion.
North Africa punches below its weight: Egypt, Morocco, and Algeria have ten billionaires combined but just $31.4 billion in total wealth.
East Africa barely registers: Tanzania and Zimbabwe each have just one billionaire, both worth $2.1 billion.
