Who are the world's richest people today? We break down the world's billionaires based on the latest data from Forbes.
What do Augustus Caesar, Cosimo de Medici, Mansa Musa, and Genghis Khan have in common? They were some of the richest people in all of history.
Who are the world's wealthiest people in 2015? This infographic shows the trends as well as the top 10 billionaires, and how they amassed their fortunes.