The creative engine behind the Windows operating system is the richest person in the world for the fourth consecutive year, and Gates has occupied the top spot 18 times since 1994. "Forty percent of Donald Trump's fortune is tied up in Trump Tower and eight buildings within one mile of it", according to Forbes.
U.S. Commerce Secretary Wilbur Ross, Jr., made Forbes magazine's 2017 edition of its "billionaires list", ranking at No. 814 with a net worth of $2.5 billion.
"Midtown Manhattan real estate is down; therefore, so is Donald Trump's fortune".
Still at number three is Lucio Tan with a $3.7 billion total net worth, $3 million lower than a year ago.
In terms of Boston companies, Fidelity Investments CEO Abigail Johnson placed 75th with a net worth of $14.4 billion, outranking her father, former longtime Fidelity CEO Edward C. Johnson III ($7.8 billion, 173rd).
Forbes said on Monday that the number of billionaires had jumped 13 per cent to 2,043 from 1,810 past year.
David Thomson and family, whose estimated fortune of $27.2 billion USA put them at 24th position.
The United States has the most billionaires on the list (565), with China and Germany following, boasting 319 and 114 billionaires, respectively.
Amancio Ortega: Ortega co-founded the hugely successful high street Spanish retail chain Zara, and now boasts a net worth of $74 billion.
There are 277 women who made the list, up from 202 a year ago, and 56 of them are self-made billionaires.
The magazine calculates the president's net worth at $3.5 billion, putting him at 544 on its list of billionaires.
At the top is a longtime staple of the Forbes list, Microsoft co-founder Bill Gates, with a net worth of $86 billion.
Jeff Bezos, who founded Amazon, and Facebook creator, Mark Zuckerberg, are No. 3 and 5, respectively.
The Forbes list also revealed that the number of people with assets of more than 1 billion dollars jumped 13% from a year earlier to a record 2,043, largely helped by strong stock prices. But the list also contained 15 new "self-made" women, mostly from Asian countries, including Vietnam's Nguyen Thi Phuong Thao of budget airline VietJet air.