NEW YORK (BLOOMBERG) - Bloomberg tracks the fortunes of some 2,800 billionaires. Of those, 145 are worth at least US$10 billion (S$13 billion), making them decabillionaires. The number of centibillionaires, however, is only two.
Microsoft co-founder Bill Gates, once the world's richest person, has again eclipsed the US$100 billion threshold, joining Amazon.com's Jeff Bezos in the exclusive club, according to the Bloomberg Billionaires Index.
Mr Gates' fortune, now US$100 billion on the nose, hasn't reached such heights since the dot.com boom, when Mr Bezos was only beginning his march up the world's wealth rankings.
The Amazon founder is now worth US$145.6 billion, having added US$20.7 billion this year alone, while Mr Gates has gained US$9.5 billion in 2018.
These two fortunes underscore a widening wealth gap in the United States, where those with the most capital are accumulating riches the fastest.
It's also a worldwide trend. France's Bernard Arnault has an US$86.2 billion fortune, equal to about 3 per cent of his country's economy. The net worth of Spain's Amancio Ortega represents 5 per cent of that nation's gross domestic product. And then there's Bidzina Ivanishvili, whose worth about a third of Georgia's GDP.
The Gates and Bezos mega-fortunes may not last long. Mr Gates has donated more than US$35 billion to the Bill & Melinda Gates Foundation and said he intends to give away at least half of his wealth.
Mr Bezos, meanwhile, may be about to cede some of his fortune for a different reason: he and his wife Mackenzie are divorcing.