TOP 23 African cities with the highest number of billionaires (See where Lagos ranks): https://y25n4.app.goo.gl/?link=https://www.naij.com/1117200-top-23-african-cities-highest-number-billionaires.html&apn=com.naij.android&ibi=com.tutby.news.nigeria&isi=830240306&ius=naij.ios