- 4,289 viewsDuration: 1:2925 years ago, Africa had no dollar billionaires. Today, there are 23, with a combined net worth of more than $100 billion. According to Oxfam, the continent’s four richest individuals now own more wealth than half of Africa’s population combined. As billionaire wealth continues to grow alongside rising inequality, an important question emerges: are billionaires good for Africa? Focus on Africa podcast host Charles Gitonga sat down with Tanzanian businessman and philanthropist Mohammed Dewji - Africa’s youngest billionaire - to discuss how he built his fortune and whether Africa’s billionaires have a responsibility to help close the widening inequality gap. To watch the full episode of The Conversation, c Subscribe: http://bit.ly/subscribetoafrica Website: https://www.bbc.com/africa Facebook: https://www.facebook.com/bbcnewsafrica/ Twitter: https://www.twitter.com/bbcafrica/ Instagram: https://www.instagram.com/bbcafrica/