Wealth-X and Business Insider have released a list of the 50 wealthiest people on the planet, with 12 billionaires, nearly a quarter of the list, coming from the technology sector.
The billionaires have a combined fortune of $1.45 trillion, nearly equal to the GDP of Australia, and more than two-thirds are completely self-made.
Microsoft founder Bill Gates is listed as the richest man in the world, with an estimated wealth of $87.4 billion.
He is followed by fashion retail mogul Amancio Ortega Gaona, Berkshire Hathaway CEO Warren Buffett, and Amazon founder Jeff Bezos.
Facebook co-founder Mark Zuckerberg is the youngest person on the list, ranked 8th with a net worth of $42.8 billion.
Here are the richest tech billionaires who made the list.