See the top 10 rundown of Forbes World Billionaires (Part 2)

#5 Mark Zuckerberg

REAL TIME NET WORTH

$51.4B

as of 12/9/18

2018 BILLIONAIRES NET WORTH

$71B

as of 3/6/18

• Facebook CEO Mark Zuckerberg has had a difficult 2018; the social network has been criticized for enabling the spread of hate speech and fake news.
• In April 2018, he testified before Congress after it was revealed that Facebook shared users' data with political consulting firm Cambridge Analytica.
• Zuckerberg started Facebook at Harvard in 2004 at the age of 19 for students to match names with faces in class.
• He took Facebook public in May 2012 and still owns nearly 17% of the stock.
• In December 2015, Zuckerberg and his wife, Priscilla Chan, pledged to give away 99% of their Facebook stake over their lifetimes.

AGE34

SOURCE OF WEALTHFacebook, Self Made

RESIDENCEPalo Alto, California

CITIZENSHIPUnited States

MARITAL STATUSMarried

CHILDREN2

EDUCATIONDrop Out, Harvard University

#4 Bernard Arnault & family

REAL TIME NET WORTH

$66.6B

as of 12/9/18

2018 BILLIONAIRES NET WORTH

$72B

as of 3/6/18

• One of the world's ultimate taste-makers, Bernard Arnault oversees an empire of 70 brands including Louis Vuitton and Sephora.
• Record results at LVMH and a megadeal to buy out nearly all of Christian Dior helped boost Arnault's fortune by $30.5 billion in one year.
• Arts patron is the visionary behind the $135 million Frank Gehry-designed Foundation Louis Vuitton museum in Paris' Bois de Boulogne, opened in 2014.

AGE69

SOURCE OF WEALTHLVMH

RESIDENCEParis, France

CITIZENSHIPFrance

MARITAL STATUSMarried

CHILDREN5

EDUCATIONBachelor of Arts/Science, Ecole Polytechnique de Paris

#3 Warren Buffett

REAL TIME NET WORTH
$84.5B
as of 12/9/18
2018 BILLIONAIRES NET WORTH
$84B
as of 3/6/18

• Known as the "Oracle of Omaha," Warren Buffett is one of the most successful investors of all time.
• Buffett runs Berkshire Hathaway, which owns more than 60 companies, including insurer Geico, battery maker Duracell and restaurant chain Dairy Queen.
• The son of a U.S. congressman, he first bought stock at age 11 and first filed taxes at age 13.
• He's promised to give away over 99% of his fortune. So far he's donated $35 billion, much of it to the foundation of friends Bill and Melinda Gates.
• In 2010, he and Gates launched the Giving Pledge, asking billionaires to commit to donating half their wealth to charitable causes.

AGE88

SOURCE OF WEALTHBerkshire Hathaway, Self Made

RESIDENCEOmaha, Nebraska

CITIZENSHIPUnited States

MARITAL STATUSWidowed, Remarried

CHILDREN3

EDUCATIONBachelor of Arts/Science, University of Nebraska Lincoln; Master of Science, Columbia University

#2 Bill Gates

REAL TIME NET WORTH
$95B
as of 12/9/18
2018 BILLIONAIRES NET WORTH
$90B
as of 3/6/18

• With his wife Melinda, Bill Gates chairs the Bill & Melinda Gates Foundation, the world's largest private charitable foundation.
• The foundation works to save lives and improve global health, and is working with Rotary International to eliminate polio.
• Gates has sold or given away much of his stake in Microsoft -- he owns just over 1% of shares --and invested in a mix of stocks and other assets.
• He remains a board member of Microsoft, the software firm he founded with Paul Allen in 1975.
• In late 2016, Gates announced the launch of a $1 billion Breakthrough Energy investment fund with about 20 other people.
• To date, Gates has donated $35.8 billion worth of Microsoft stock to the Gates Foundation.

AGE63

SOURCE OF WEALTHMicrosoft, Self Made

RESIDENCEMedina, Washington

CITIZENSHIPUnited States

MARITAL STATUSMarried

CHILDREN3

EDUCATIONDrop Out, Harvard University

#1 Jeff Bezos

REAL TIME NET WORTH
$134.7B
as of 12/9/18
2018 BILLIONAIRES NET WORTH
$112B
as of 3/6/18

• Amazon's chief Jeff Bezos is the first person with a net worth surpassing $150 billion in the 3 decades that Forbes has tracked the richest Americans.
• He owns 16% of e-commerce colossus Amazon, which he founded in a garage in Seattle in 1994.
• Bezos attended Princeton and worked at a hedge fund before quitting to sell books online.
• His other passion is space travel: His aerospace company, Blue Origin, is developing a reusable rocket that Bezos says will carry passengers.
• Bezos purchased The Washington Post in 2013 for $250 million.
• In Sept. 2018 he announced the Bezos Day One Fund, a $2 billion pledge to help homeless families and create Montessori-inspired preschools in the U.S.

AGE54

SOURCE OF WEALTHAmazon, Self Made

RESIDENCESeattle, Washington

CITIZENSHIPUnited States

MARITAL STATUSMarried

CHILDREN4

EDUCATIONBachelor of Arts/Science, Princeton University