The Microsoft founder has given a big part of his fortune to charitable causes. He has donated more than $31.1 billion.
Based on the report, Gates together with another billionaire personality Warren Buffett founded the Giving Pledge. The two wealthy men wanted to motivate other billionaires to share a part of their fortune to charities.

Based on the report, Jeff Bezos, the world’s richest person now, had also given an impressive amount to charitable causes…
Jeff Bezos of Amazon is Now the World’s Richest Man after Going Ahead of Bill Gates