The 'Forbes' Top 10 Richest In The World
Bill Gates remains at the top of the Forbes billionaire list
1 Bill Gates
Bill Gates set up Microsoft, the world largest PC company. He has been the world's richest person for 18 of the last 23 years. According to Forbes, his wealth has continued to grow in recent months. He now heads the world's largest private charitable foundation which focuses on efforts to eliminate polio, stamp out malaria and expand childhood vaccinations.
2 Warren Buffett
Sometimes referred to as the Oracle of Omaha, Warren Buffet has been a hugely successful investor, buying his first shares at the age of 11. Shares in Berkshire Hathaway, his publicly traded company, are near all-time highs.
3 Jeff Bezos
Amazon founder Jeff Bezos has seen his wealth grow dramatically since Forbes last compiled its billionaires list. He says the company is the fastest ever business to reach sales of $100bn. The company's stock has been boosted by the performance of Amazon Web Services. He also owns the Washington Post.
4 Amancio Ortega
Retail king Amancio Ortega is the richest man in Europe after founding the wildly successful fast fashion chain Zara. He set up the business with his ex-wife Rosalía Mera, who died in 2013, and earns hundreds of millions of euros in dividends annually. The group has several other brands such as Massimo Dutti.
5 Mark Zuckerberg
Facebook's Mark Zuckerberg started his company in his college dorm at the age of 19 and is now one of the richest men in the world. In 2012, he and his wife Priscilla Chan announced they would give the majority of their wealth to "advancing human potential and promoting equality".
6 Carlos Slim Helu and family
Mexico's Carlos Slim Helu made his money from banking, real estate and media and was once ranked as the richest man in the world. However, a Trump presidency does not bode well for him, negatively affecting the Peso.
7 Larry Ellison
California-based Larry Ellison founded software giant Oracle, which nearly went bankrupt in the early 1990s. Ellison stood down as ceo in 2014 but continues to influence the direction of the company. He owns two military jets and last year pledged $200m for a cancer treatment centre.
8&9 David and Charles Koch
David and Charles Koch control Koch Industries, the second largest private company in the US. Their father Fred, started the family business in 1940 and it makes everything from jet fuel to toilet paper. Big donors to right wing politicians, they have been critics of President Donald Trump.
10 Michael Bloomberg
Former New York City mayor Michael Bloomberg, started his career on Wall Street and came up with the idea of creating the Bloomberg terminal, now used across the world by traders. The company later branched out into TV and other businesses.