The richest person in their 20s, 30s, 40s, and up

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Five Richest People on the Planet Under 35

When it comes to age, wealth doesn't discriminate — billionaires can be found in every phase of life.

Wealth-X, a firm that researches and maintains a database of ultra-wealthy people, compiled a list of the richest person in every decade, from their 20s through their 90s.

From tech billionaires to retail moguls and a secretive heiress, here are the people with more money than anyone else in their age group.

20s: Evan Spiegel

AP Photo/Jae C. Hong

Net worth: $2 billion

Age: 25

Industry: Tech

Snapchat CEO Evan Spiegel may be the least wealthy person on this list, but he's also the youngest — and at 25, his net worth of $2 billion has plenty of time to grow. Spiegel began developing his now-you-see-it photo-sharing app in 2011 while still a student at Stanford. Barely two years later, he was getting offers from the likes of Facebook ($3 billion) and Google ($4 billion) to buy him out, both of which CEO Spiegel turned down.

Snapchat's value has continued to soar as the company has branched into news and other media and acquired some companies of its own, coughing up $150 million for app-development company Looksery. Considering Spiegel and company raised $530 million in equity at a $16 billion valuation in May, rejecting Facebook and Google might have been the smartest business move the young billionaire has made yet.

Source: Wealth-X

30s: Mark Zuckerberg

Facebook CEO Mark Zuckerberg At IIT DelhiSteve Jennings/Getty

Net worth: $47.2 billion

Age: 31

Industry: Tech

At just 31, Facebook founder and CEO Mark Zuckerberg is already one of the richest people in the world with a net worth of $47.2 billion. Facebook continues to thrive, attracting more than a billion users daily in September — a 17% increase in traffic from the previous year. The company stock hit all-time highs in November after reporting $4.5 billion in quarterly earnings.

Zuckerberg has made some high-profile purchases of late. He reportedly spent $22 million on a new 3,200-square-foot home in New York City's West Village this year, and in 2014 he spent $100 million for 750 acres of secluded land on the North Shore of Kauai.

Zuck and his wife, Priscilla, are also incredibly generous with their wealth. The social media mogul has signed The Giving Pledge, promising to donate at least half of his wealth to charitable causes within his lifetime. The couple donated $25 million in the fight against Ebola last year, and gave $100 million worth of Facebook shares towards improving a New Jersey public-school system.

Source: Wealth-X

40s: Larry Page

Seth Wenig/AP

Net worth: $41.7 billion

Age: 42

Industry: Tech

Larry Page became a billionaire when Google went public in 2004 with a valuation of about $23 billion; 11 years later, the company is worth more than $500 billion.

Page and cofounder Sergey Brin — exceedingly wealthy in his own right with a net worth of $38 billion — have been shaking their company up lately. In August, Google announced that it would be forming a new parent company, Alphabet, to allow its different businesses to operate independently and move faster. Page and Brin still control the overarching entity as CEO and president, respectively.

Page doesn't make a lot of splashy purchases, but the alternative-energy advocate does own an eco-friendly mansion in Palo Alto that utilizes geothermal energy and rainwater capture. He's also an avid kiteboarder.

Source: Wealth-X

50s: Jeff Bezos

Liberty Science Center's Genius Gala 4.0Mireya Acierto / Getty

Net worth: $60 billion

Age: 51

Industry: Tech

After two straight quarters of impressive earnings in 2015, Amazon shares have shot up, and so has has the net worth of founder and CEO Jeff Bezos. He became the third-richest person in the US in October and now owns a fortune of at least $60 billion, trailing only Bill Gates and Warren Buffett.

Amazon is on fire, raking in profits of $92 million and $79 million in the second and third quarters this year; its stock is up more than 100% year-to-date. The company is dominating the competition in cloud computing through Amazon Web Services, which is used by major organizations including Comcast, Capital One, and the CIA.

Outside of Amazon, Bezos also has his hand in a few personal projects, including Blue Origin, his private space company, which announced its first successful rocket launch in September.

Source: Wealth-X

60s: Bill Gates

Celebrities Visit Broadway - October 11, 2015Chip Somodevilla / Getty

Net worth: $87.3 billion

Age: 60

Industry: Tech

Microsoft founder Bill Gates started programming computers when he was only 13 years old, and he cofounded his iconic software company with childhood friend Paul Allen in 1975 after dropping out of Harvard. The company minted Gates a fortune that now exceeds $87 billion.

But in recent years Gates has shifted his focus away from Microsoft, where he's still an advisor, and toward the Bill and Melinda Gates Foundation. He and his wife founded the charity in 2000 after reading an article about curable diseases causing millions of child deaths in developing countries. Since then, the organization has given away $34.5 billion to an array of causes, including efforts to eliminate HIV, malaria and many other infectious diseases. They also support agricultural development, emergency relief, global libraries, urban poverty, and education.

Along with many of his fellow billionaires, Gates has pledged to give away at least half of his wealth to charity after his death through The Giving Pledge, which he and Berkshire Hathaway CEO Warren Buffett created together.

Source: Wealth-X

70s: Amancio Ortega

Miguel Vidal/ Reuters

Net worth: $73.2 billion

Age: 79

Industry: Retail

With a net worth of at least $73.2 billion, Amancio Ortega is the second-richest man in the world, thanks primarily to his control of the Spanish fashion behemoth Inditex. He keeps a low profile and dresses modestly, but he still puts his fortune to use: He owns the Torre Picasso, the tallest skyscraper in Spain, as well as The Epic Residences and Hotel in Miami. Like a true billionaire, Ortega also owns a private jet worth $45 million.

His rising wealth this past year is directly tied to Inditex's rapid growth. The company reported a sharp rise in sales and profits and nearly 100 new stores in September, hitting a $100 billion valuation. The company now has nearly 6,800 stores worldwide. The secret to this success is the fast-fashion giant Zara, the company's biggest brand. The chain is changing the landscape of retail as its chic yet affordable designs continue to appeal to demanding customers who constantly crave new styles at low prices.

Source: Wealth-X

80s: Warren Buffett

Fortune's Most Powerful Women Summit - Day 2Getty Images / Jemal Countess

Net worth: $62.4 billion

Age: 85

Industry: Finance

Berkshire Hathaway CEO Warren Buffett bought his first stock at age 11 and never looked back. Since then, Buffett has continued to amass a fortune of more than $62 billion through a near-clairvoyant knack for making smart, long-term bets on companies like Coca-Cola and American Express. His company has grown exponentially since he took over in 1964: $1,000 invested in Berkshire Hathaway stock then would be worth more than $10 million today.

He may be the second-richest person in the US, but Buffett doesn't like to show off his enormous wealth. He drives his own car and still lives in the same house he bought in Omaha, Nebraska, in 1958.

Buffett is a friend of Microsoft cofounder Bill Gates, whom he collaborated with on the Giving Pledge, a promise for billionaires to give away at least 50% of their wealth to charity. Buffett has given away nearly $3 billion in each of the past two years, and $21.5 billion in his lifetime.

Source: Wealth-X

90s: Liliane Bettencourt

Franck Sorbier Catwalk - Paris Haute Couture Fashion WeekPascal Le Segretain/Getty Images

Net worth: $31.4 billion

Age: 93

Industry: Retail

The heiress to the L'Oreal cosmetics fortune and the company's largest shareholder, Liliane Bettencourt is worth more than $31 billion. She no longer has a hand in business operations, but both L'Oreal and the Bettencourt Schueller Foundation she cofounded with her late husband continue to prosper. She's an avid art collector, owning pieces by Picasso, Matisse, and Munch.

Bettencourt's known for more than just her immense wealth though. She's made French headlines in recent years as the central figure in an infamous trial that closed in 2015, in which judges examined whether the billionaire was taken advantage of by those close to her. In May, eight people were convicted of exploiting Bettencourt.

Source: Wealth-X

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The richest person in their 20s, 30s, 40s, and up

10. Larry Page

Net worth: $33.3 billion, up $1.8 billion
Source: Google
Age: 42

  • With Google cofounder Sergey Brin, announced in August that Google will create Alphabet as a  parent company in the fourth quarter. Their aim: to “get more ambitious things done”
  • Page will shift from CEO of Google to CEO of Alphabet
  • Google - including YouTube - is one of the multiple companies that will be under the Alphabet umbrella
  • Google stock hit an all-time high in July

(AP Photo/Seth Wenig)

9. Jim Walton

Net worth: $33.7 billion, down $2.3 billion
Source: Wal-Mart
Age: 67

  • Sits on the board of Wal-Mart.
  • Youngest son of Wal-Mart founder Sam Walton
  • FORBES estimates that he owns nearly 13% of Wal-Mart
  • Jim is chairman and CEO of family-owned Arvest Bank, which has $16 billion in assets

Wal-Mart stock is down 15%

(AP Photo/April L. Brown)

8.  Michael Bloomberg  

Net worth: $38.6 billion, up $3.6 billion
Source: Bloomberg LP
Age: 73

  • Fortune up $3.6 billion since the 2014 Forbes 400
  • He returned to the CEO role at Bloomberg LP in late 2014
  • Bloomberg LP revenues are now estimated at more than $9 billion
  • In June Mike Bloomberg announced a $100 million donation to Cornell University's technology campus in New York
  • Lifetime philanthropic giving is $3.9 billion

(AP Photo/Seth Wenig)

7.  Mark Zuckerberg  

Net worth: $40.3 billion, up $6.3 billion
Source: Facebook
Age: 31

  • In August Facebook had 1 billion users in a single day for the first time ever
  • A year after buying virtual reality startup Oculus, Facebook says the Rift VR headset will start shipping to customers in early 2016.
  • Net worth up 18.5% since 2014 Forbes 400, as Facebook stock rises by more than 25%.
  • Zuckerberg cracks top 10 on Forbes 400 for first time

(AP Photo/Eric Risberg)

T-5. David Koch

Net worth: $41 billion, down $1 billion
Source: Diversified
Age: 75

  • Net worth down 2% since 2014 Forbes 400
  • New York City’s richest resident
  • Shares control of conglomerate Koch Industries with brother Charles.  David runs the company’s chemical-trading business
  • The brothers’ fortunes fell slightly in the past year owing to weakness in the manufacturing and pipeline sectors

(AP Photo/Paul Vernon)

5.  Charles Koch

Net worth: $41 billion, down $1 billion
Source: Diversified
Age: 79    

  • Net worth down 2% since 2014 Forbes 400 due to market pressure on commodities and industrial companies
  • Charles runs $15 billion (revenues) Koch Industries, the country’s second-largest private company with $115 billion in sales.
  • He’s been chairman since 1967, when the company was valued at $50 million; it is now worth an estimated $100 billion
  • Political heavyweight compares his crusade for smaller government and economic liberty to the campaign for civil rights, and hopes his network of several hundred wealthy conservatives will spend up to $300 million on candidates and another $600 million on efforts to reduce regulation and reform the criminal justice system

(Photo by Patrick T. Fallon for The Washington Post via Getty Images)

4. Jeff Bezos

Net worth: $47 billion, up $16.5 billion
Age: 51

  • Bezos is the biggest dollar-gainer on the list
  • Climbs into the top 10 richest on The Forbes 400 for the first time thanks to surge in shares
  • In September he announced that his aerospace company, Blue Origin, would spend over $200 million to build reusable rockets and launch them into orbit from a site at Cape Canaveral by the end of the decade.  

(Photo by Nicole Craine/WireImage)

3.  Larry Ellison   

Net worth: $47.5 billion, down $2.5 billion
Source: Oracle
Age: 71

  • Fortune down $2.5 billion in the past year as Oracle’s share price fell
  • His net worth is down 5% since 2014 Forbes 400        
  • Stepped down as CEO of Oracle in September 2014, stayed on as chairman.  
  •  In June he announced that Oracle would expand its cloud-computing business, putting it in direct competition with’s Web Services business.
  • Both of his children are Hollywood moguls. Daughter Megan has financed films like Zero Dark Thirty and American Hustle. Son David has produced franchises like The Terminator and Mission: Impossible.

(Photo by Gregg DeGuire/WireImage)

2.  Warren Buffett  

Net worth: $62 billion, down $5 billion
Source: Berkshire Hathaway
Age: 85 

  • Fortune down $5 billion in the past year because share price of Berkshire Hathaway fell
  • His net worth is down 7.5% since 2014 Forbes 400
  • Berkshire Hathaway in August announced its biggest acquisition ever, agreeing to pay $37 billion for Precision Castparts, a maker of aerospace, power and industrial parts
  • In addition to Precision, Berkshire owns companies including Geico, Dairy Queen and Fruit of the  Loom
  • This year teamed up again with 3G Capital, a firm run by a trio of Brazilian billionaires, to merge Kraft Foods with Heinz. Buffett has joined forces last year to help finance 3G’s merger of Burger King and coffeehouse chain Tim Hortons
  • Lifetime philanthropic giving: $25.6 billion

(Photo by Eric Frances/Getty Images)

1.  Bill Gates

Net worth: $76 billion, down $5 billion
Source: Microsoft
Age: 59

  • World’s richest man for 22nd year in a row
  • Fortune down 6%
  • Gates own just under 3% of Microsoft, which accounts for 13% of his total fortune. His private investment firm, Cascade, makes up the rest, investing in stocks, bonds, private equity and real estate
  • Lifetime philanthropic giving: $31.5 billion

(Photo by J. Countess/WireImage)


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