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
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
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
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
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