1. John D. Rockefeller
Net worth: $318.3 billion
Source: Standard Oil, United States
2. Andrew Carnegie
Net worth: $298.3 billion
Source: Carnegie Steel Company, Scotland
3. Nicholas II
Net worth: $253.5 billion
Source: House of Romanov, Russia
4. William Henry Vanderbilt
Net worth: $231.6 billion
Source: Burlington and Quincy Railroad, United States
5. Osman Ali Khan, Asaf Jah VII
Net worth: $210.8 billion
Source: Hyderabad Monarchy
6. Andrew W. Mellon
Net worth: $188.8 billion
Source: Gulf Oil, United States
7. Henry Ford
Net worth: $188.1 billion
Source: Ford Motor Company, United States
8. Marcus Licinius Crassus
Net worth: $169.8 billion
Source: Roman Senator, Roman Republic
9. Basil II
Net worth: $169.4 billion
Source: Monarchy of Byzantine Empire
10. Cornelius Vanderbilt
Net worth: $167.4 billion
Source: New York and Harlem Railroad, United States
11. Alanus Rufus
Net worth: $166.9 billion
Source: Investments, England
12. Amenophis III
Net worth: $155.2 billion
Source: Ancient Egyptian Pharaoh
13. William de Warenne, 1st Earl of Surrey
Net worth: $153.6 billion
Source: Earl of Surrey, England
14. William II
Net worth: $151.7 billion
Source: Monarchy, England
15. Elizabeth I
Net worth: $142.9 billion
Source: House of Tudor, England
16. John D. Rockefeller Jr.
Net worth: $141.4 billion
Source: Standard Oil, United States
17. Sam Walton
Net worth: $128 billion
Source: Wal-Mart, United States
18. John Jacob Astor
Net worth: $115 billion
Source: American Fur Company, Germany
19. Odo of Bayeux
Net worth: $110.2 billion
Source: Monarchy, England
20. Stephen Girard
Net worth: $99.5 billion
Source: First Bank of the United States, France
21. Cleopatra
Net worth: $95.8 billion
Source: Ptolemaic Inheritance, Ancient Egypt
22. Stephen Van Rensselaer III
Net worth: $88.8 billion
Source: Rensselaerwyck Estate, United States
23. Richard B. Mellon
Net worth: $86.3 billion
Source: Gulf Oil, United States
24. Alexander Turney Stewart
Net worth: $84.7 billion
Source: Long Island Rail Road, Ireland
25. William Backhouse Jr.
Net worth: $84.7 billion
Source: Inheritance, United States
26. Don Simon Iturbi Patino
Net worth: $81.2 billion
Source: Huanuni tin mine, Bolivia
27. Sultan Hassanal Bolkiah
Net worth: $80.7 billion
Source: Kral, Brunei
28. Frederick Weyerhaeuser
Net worth: $80.4 billion
Source: Weyerhaeuser Corporation, Germany
29. Moses Taylor
Net worth: $79.3 billion
Source: Citibank, United States
30. Vincent Astor
Net worth: $73.9 billion
Source: Inheritance, United States
Net worth: $318.3 billion
Source: Standard Oil, United States
2. Andrew Carnegie
Net worth: $298.3 billion
Source: Carnegie Steel Company, Scotland
3. Nicholas II
Net worth: $253.5 billion
Source: House of Romanov, Russia
4. William Henry Vanderbilt
Net worth: $231.6 billion
Source: Burlington and Quincy Railroad, United States
5. Osman Ali Khan, Asaf Jah VII
Net worth: $210.8 billion
Source: Hyderabad Monarchy
6. Andrew W. Mellon
Net worth: $188.8 billion
Source: Gulf Oil, United States
7. Henry Ford
Net worth: $188.1 billion
Source: Ford Motor Company, United States
8. Marcus Licinius Crassus
Net worth: $169.8 billion
Source: Roman Senator, Roman Republic
9. Basil II
Net worth: $169.4 billion
Source: Monarchy of Byzantine Empire
10. Cornelius Vanderbilt
Net worth: $167.4 billion
Source: New York and Harlem Railroad, United States
11. Alanus Rufus
Net worth: $166.9 billion
Source: Investments, England
12. Amenophis III
Net worth: $155.2 billion
Source: Ancient Egyptian Pharaoh
13. William de Warenne, 1st Earl of Surrey
Net worth: $153.6 billion
Source: Earl of Surrey, England
14. William II
Net worth: $151.7 billion
Source: Monarchy, England
15. Elizabeth I
Net worth: $142.9 billion
Source: House of Tudor, England
16. John D. Rockefeller Jr.
Net worth: $141.4 billion
Source: Standard Oil, United States
17. Sam Walton
Net worth: $128 billion
Source: Wal-Mart, United States
18. John Jacob Astor
Net worth: $115 billion
Source: American Fur Company, Germany
19. Odo of Bayeux
Net worth: $110.2 billion
Source: Monarchy, England
20. Stephen Girard
Net worth: $99.5 billion
Source: First Bank of the United States, France
21. Cleopatra
Net worth: $95.8 billion
Source: Ptolemaic Inheritance, Ancient Egypt
22. Stephen Van Rensselaer III
Net worth: $88.8 billion
Source: Rensselaerwyck Estate, United States
23. Richard B. Mellon
Net worth: $86.3 billion
Source: Gulf Oil, United States
24. Alexander Turney Stewart
Net worth: $84.7 billion
Source: Long Island Rail Road, Ireland
25. William Backhouse Jr.
Net worth: $84.7 billion
Source: Inheritance, United States
26. Don Simon Iturbi Patino
Net worth: $81.2 billion
Source: Huanuni tin mine, Bolivia
27. Sultan Hassanal Bolkiah
Net worth: $80.7 billion
Source: Kral, Brunei
28. Frederick Weyerhaeuser
Net worth: $80.4 billion
Source: Weyerhaeuser Corporation, Germany
29. Moses Taylor
Net worth: $79.3 billion
Source: Citibank, United States
30. Vincent Astor
Net worth: $73.9 billion
Source: Inheritance, United States