South Africa-born Elon Musk is the runaway richest man in the world, but who holds the title of richest woman?

Who are the wealthiest people in the world and what country has the most billionaires? See where Elon Musk ranks now in top 10 list of richest people.

Looking at the continent’s 22 listed billionaires, the top 10 wealthiest individuals come from only four countries—Algeria, Egypt, Nigeria, and South Africa. Four of Africa’s richest people ...