Peak Net Worth, Inflation Adjusted

1. Ghengis Khan – $100+ trillion
2. Emperor Shenzong of Song – $30+ trillion
3. Akbar I – $21 trillion
4. Augustus Caesar – $4.6 trillion
5. King Solomon – $2.2 trillion
6. Mansa Musa I – $415 billion
7. Jacob Fugger – $400 billion
8. Andrew Carnegie – $372 billion
9. John D. Rockefeller – $341 billion
10. Tsar Nicholas II of Russia – $300 billion
11. Mir Osman Ali Khan – $230 billion
12. William the Conqueror – $229 billion
13. Muammar Gaddafi – $212 billion
14. Cornelius Vanderbilt – $202 billion
15. Henry Ford – $200 billion
16. Bernard Arnault – $195 billion
17. Jeff Bezos – $181 billion
18. Alan Rufus – $178 billion
19. Elon Musk – $170 billion
20. John Jacob Astor – $168 billion
21. William de Warenne, 1st Earl of Surrey – $146 billion
22. Bill Gates – $144 billion
23. Heshen – $132 Billion

Sources:
–The Richest
–Interesting Engineering
–Love Money