| WORLD’S RICHEST PEOPLE IN 2018 | |||||
| Rank | Name | Net Worth | Age | Source | Country of Citizenship |
| #1 | Jeff Bezos | $112 B | 54 | Amazon | United States |
| #2 | Bill Gates | $90 B | 62 | Microsoft | United States |
| #3 | Warren Buffett | $84 B | 87 | Berkshire Hathaway | United States |
| #4 | Bernard Arnault | $72 B | 69 | LVMH | France |
| #5 | Mark Zuckerberg | $71 B | 33 | United States | |
| #6 | Amancio Ortega | $70 B | 81 | Zara | Spain |
| #7 | Carlos Slim Helu | $67.1 B | 78 | telecom | Mexico |
| #8 | Charles Koch | $60 B | 82 | Koch Industries | United States |
| #8 | David Koch | $60 B | 77 | Koch Industries | United States |
| #10 | Larry Ellison | $58.5 B | 73 | software | United States |
| #11 | Michael Bloomberg | $50 B | 76 | Bloomberg LP | United States |
| #12 | Larry Page | $48.8 B | 44 | United States | |
| #13 | Sergey Brin | $47.5 B | 44 | United States | |
| #14 | Jim Walton | $46.4 B | 69 | Walmart | United States |
| #15 | S. Robson Walton | $46.2 B | 73 | Walmart | United States |
| #16 | Alice Walton | $46 B | 68 | Walmart | United States |
| #17 | Ma Huateng | $45.3 B | 46 | internet media | China |
| #18 | Francoise Bettencourt Meyers | $42.2 B | 64 | L’Oreal | France |
| #19 | Mukesh Ambani | $40.1 B | 60 | petrochemicals, oil & gas | India |
| #20 | Jack Ma | $39 B | 53 | e-commerce | China |