Oprah
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Carlos slim and bill gates
There were approximately 470 billionaires in the world in 1999, according to Forbes' inaugural billionaires list released that year.
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The Forbes list was created by B.C. Forbes and Walter Drey in 1917. It was originally created as a list of the wealthiest individuals in the United States. Today, the Forbes list includes rankings of billionaires, companies, and influential figures worldwide.
There is no definitive answer to this question. In terms of populations that are rich, it is believed that 20% of the richest people possess three-quarters of global income. Forbes World's Billionaires list details a total 1,342 billionaires, most of whom are men. In the list of the top 100 richest billionaires, only 11 are women.
Currently, there are nine black billionaires in the world out of 1,647 that were named in 2014 Forbes list of World Billionaires. Oprah Winfrey made the list, but Aliko Dangote made the top of the list with $25 billion.
Sheike Muhammad is the richest man in the world with a net worth of 247.8 billion
According to Forbes' annual Billionaires list, California is home to the highest number of billionaires in the United States, with over 160 individuals meeting the billionaire threshold.
Hoover's Handbook has a book called Richest. Book can be purchased on their web site. A list of billionaires is published by Forbes. this based on the annual ranking of the world's wealthiest people compiled and published by Forbes magazine.