5. Jeff Bezos – $45.2 billion
The answer number five to the question: Mansa Musa vs. Genghis Khan: who is the richest man in history. The owner of arguably the world’s biggest online marketplace, Amazon founder Jeff Bezos has reportedly gained $20 billion to his net worth in just a span of 14 months. That is one of the highest rates than anyone has ever amassed such wealth to their fortune, all thanks to the now booming Amazon Web Services.
