Photos: These are the 50 richest people in the world right now

From tech tycoons to luxury car heiresses, here are the 50 richest people on earth.

5. Amancio Ortega

Amancio Ortego controls fashion giant Inditex, which owns Zara, Massimo Dutti, Oysho, and others. At least part of his success can be attributed to Zara's fast-fashion business model.

Net worth: $71.3 billion

Age: 81

Citizenship: Spain

Industry: Retail

Source of wealth: Self-made; Inditex

4. Mark Zuckerberg

Mark Zuckerberg launched TheFacebook.com when he was a sophomore in college before dropping out to work on the site full-time.

Net worth: $74 billion

Age: 33

Citizenship: United States

Industry: Technology

Source of wealth: Self-made; Facebook

3. Warren Buffett

After getting rejected from Harvard Business School, Warren Buffett went to Columbia instead where he studied under Benjamin Graham, who would become his mentor. He later bought Berkshire Hathaway in 1969 and transformed it into a powerhouse holding company.

Net worth: $86.1 billion

Age: 87

Citizenship: United States

Industry: Diversified

Source of wealth: Self-made; Berkshire Hathaway

2. Bill Gates

Bill Gates co-founded Microsoft with his friend Paul Allen, and served as CEO until 2000. He still sits on the company's board, but is no longer active in the day-to-day dealings.

Net worth: $91.1 billion

Age: 62

Citizenship: United States

Industry: Technology

Source of wealth: Self-made; Microsoft

1. Jeff Bezos

Jeff Bezos founded Amazon.com in the garage of his Seattle home in 1994. The online marketplace went public three years later and has since grown to sell everything from fashion to tech to food and Amazon's own consumer-electronics products.

On November 24, 2017 — Black Friday — Bezos's net worth hit $100 billion.

Net worth: $121 billion

Age: 53

Citizenship: United States

Industry: Technology

Source of wealth: Self-made; Amazon

See the full list HERE.

Culled From Business Insider.