The US business publication Forbes has released its annual rich list, revealing the wealthiest people on the planet today.
Here's who made it into the top 10 and their estimated net worth.
1. Bill Gates $75bn (£51.6bn)
2. Amancio Ortega $67bn (£48bn)
3. Warren Buffett $60.8bn (£43.6bn)
4. Carlos Slim $50bn (£35.8bn)
5. Jeff Bezos $45.2bn (£32.4bn)
6. Mark Zuckerberg $44.6bn (£32bn)
7. Larry Ellison $43.6bn (31.2bn)
8. Michael Bloomberg $40bn (£28.7bn)
9= Charles Koch $39.6bn (£28.4bn)
9= David Koch $39.6bn (£28.4bn)
More: These are the 10 richest people in the world (2015 edition)