Major Billionaire Amount
engineering related9
engineering related4
history1
law1
philosophy1
none1
Rank Name Net Worth Age Source Country of Citizenship Major in College
1

Carlos Slim Helu & family

$73 B 73 telecom Mexico civil engineering
2

Bill Gates

$67 B 57 Microsoft United States none
3

Amancio Ortega

$57 B 77 Zara Spain unknown
4

Warren Buffett

$53,5 B 82 Berkshire Hathaway United States business administration
5

Larry Ellison

$43 B 68 Oracle United States unknown
6

Charles Koch

$34 B 77 diversified United States general engineering
6

David Koch

$34 B 73 diversified United States chemical engineering
8

Li Ka-shing

$31 B 85 diversified Hong Kong none
9

Liliane Bettencourt & family

$30 B 90 L'Oreal France none
10

Bernard Arnault & family

$29 B 64 LVMH France engineering
11

Christy Walton & family

$28,2 B 58 Wal-Mart United States unknown
12

Stefan Persson

$28 B 65 H&M Sweden unknown
13

Michael Bloomberg

$27 B 71 Bloomberg LP United States electrical engineering
14

Jim Walton

$26,7 B 65 Wal-Mart United States unknown
15

Sheldon Adelson

$26,5 B 80 casinos United States unknown
16

Alice Walton

$26,3 B 63 Wal-Mart United States economics and finance
17

S. Robson Walton

$26,1 B 69 Wal-Mart United States business administration
18

Karl Albrecht

$26 B 93 Aldi Germany unknown
19

Jeff Bezos

$25,2 B 49 Amazon.com United States electrical engineering and computer science
20

Larry Page

$23 B 40 Google United States computer engineering
21

Sergey Brin

$22,8 B 39 Google United States computer science and mathematics
22

Mukesh Ambani

$21,5 B 56 petrochemicals, oil & gas India Chemical Engineering
23

Michele Ferrero & family

$20,4 B 88 chocolates Italy none
24

Lee Shau Kee

$20,3 B 85 diversified Hong Kong none
24

David Thomson & family

$20,3 B 56 media Canada history
26

Prince Alwaleed Bin Talal Alsaud

$20 B 58 investments Saudi Arabia business administration
26

Carl Icahn

$20 B 77 leveraged buyouts United States philosophy
26

Thomas & Raymond Kwok & family

$20 B - real estate Hong Kong law