He was the richest man in the world. In October 2017, his net worth was surpassed by Amazon founder and CEO Jeff Bezos. Bezos had an estimated net worth of US$90.6 billion compared to Gates's net worth of US$89.9 billion at the time. As of January 2021, Gates had an estimated net worth of US$163 billion, making him the third-richest person in the world. And now, he is the third-richest person in the world behind Jeff Bezos and Elon Musk in net worth as of January 2021.