5 Richest people in the world

5/ Mark Elliot Zuckerberg (net worth US$71.5 billion)

is an American computer programmer and Internet entrepreneur. He is a co-founder of Facebook, and currently operates as its chairman and chief executive officer. His net worth is estimated to be US$71.5 billion as of September 2017, and in 2016 was ranked by Forbes as the fifth richest person in the world.

4/ Amancio Ortega Gaona (net worth US$71.8 billion)

is a Spanish business tycoon. He is the founder and former chairman of Inditex fashion group, best known for its chain of Zara clothing and accessories retail shops. His net worth is estimated to be US$71.8 billion as of September 2017. and he was ranked by Forbes as the fourth richest person in the world.

3/ Jeffrey Preston Bezos (net worth US$72.8 billion)

is an American technology and retailentrepreneur, investor, computer scientist, and philanthropist, best known as the founder, chairman, and chief executive officer of Amazon.com, the world's largest online shopping retailer. His net worth is estimated to be US$72.8 billion . and he was ranked by Forbes as the third richest person in the world.

2/Warren Edward Buffett (net worth US$75.6 billion)
is an American business magnate, investor, and philanthropist. Buffett serves as the Chief Executive Officer and Chairman of Berkshire Hathaway. He is considered by some to be one of the most successful investors in the world, and as of August 2017 is the second wealthiest person in the world, with a total net worth of US$75.6billion.

1/Bill Gates (net worth US$86 billion)
is a co-founder of the Microsoft Corporation and is an American business magnate, investor, author and philanthropist. His net worth is estimated to be US$86 billion . and he was and still ranked as the first richest person in the world.