Since 1987, Forbes has monitored those we considered filthy rich but most especially made their monies credibly. Also, some of them were able to retain their position in succession despite their declining net worth.
Now, here's a list of the richest men in the world from 1987 to 2019:
Yoshiaki Tsutsumi, Chairman of Seibu Railway Group, was the richest man in the world in 1987. The Japan-based real estate baron had a net worth of $20 billion.
Yoshiaki Tsutsumi also maintained the title as the wealthiest man on earth in 1988. At the time, his net worth was $18.9 billion.
Yoshiaki Tsutsumi, for the third time in a row, managed to maintain his title as the richest man. However, as in 1988, his net worth declined significantly to $15 billion.
Spoiler alert! Yoshiaki Tsutsumi again retained his title in 1990 as the richest man due to his $16 billion net worth. It was an undisputed title!
Taikichiro Mori, Founder of Mori Building Company, was ranked the world's richest man. With an $18.5 billion, his real estate business was obviously thriving.
Taikichiro Mori maintained his title into 1992 given his $13 billion net worth. Mori's net worth at the time was twice that of Bill Gates and $3 billion higher than Tsutsumi's.
Yoshiaki Tsutsumi regained the world's richest man's title in 1993 for his $9 billion net worth. Aside from real estate, he had ventured into the sports industry.
Yoshiaki Tsutsumi also came out on top of the list of the wealthiest people in the world in 1994. His net worth at the time was $8.5 billion. Tsutsumi was later arrested in 2005 for a series of scandals.
Bill Gates, Principal founder of Microsoft Corporation, topped Forbes' list of billionaires with a $12.9 billion net worth.
By 1996, Bill Gates was the richest man in the world for his $18 billion net worth. Gates alongside Paul Allen launched Microsoft, PC software company in 1975.
Bill Gates was also the richest in 1997 and had a net worth of $36.4 billion. That was a double of the previous year.
Bill Gates had a net worth of $51 billion in 1998. This crowned him the richest man for the year 1998.
Bill Gates net worth spiked in 1999 to $90 billion, and by December 27, 1999, it was sitting at $92.5 billion, which is the highest for the tech mogul.
Bill Gates net worth in 2000 was $60 billion. Despite the decline, it was still high enough to maintain his position.
Bill Gates net worth in 2001 was $58.7 billion, and the decline could be attributed to a market downturn.
Bill Gates net worth in 2002 was $52.8 billion, ranking him as the richest man for the year.
With a net worth of $40.7 billion, no contender could still come close enough to overthrow Bill Gates as the world's richest man in 2003.
Bill Gates net worth in 2004 was $46.6 billion, which still placed him at the top of the world richest people.
Bill Gates was also the richest man in 2005 with a net worth of $50 billion. While the U.S. kept dominating, countries like Poland, Ukraine, and Iceland which also made it to the list.
Bill Gates also came out tops with a net worth of $52 billion in 2006. He announced he would focus full time on the Bill & Melinda Gates Foundation.
Bill Gates still was the world's richest person with a net worth of $56 billion.
Warren Buffett, Chairman, and CEO of Berkshire Hathaway had a net worth of $62 billion. Buffett was able to break Bill Gates' record as the richest man for 12 years in a row.
Bill Gates reclaimed his title in 2009 with a $40 billion net worth. Buffett, on the other hand, had lost about $25 billion after Berkshire Hathaway shares dumped by almost 50%.
Carlos Slim Helu, CEO of Telmex, América Móvil and Grupo Carso became the new richest man in 2010 with his $53.5 billion net worth.
Carlos Slim Helu was the richest in 2011 with a net worth of $74 billion. The Mexican tycoon was thriving in the telecom sector.
Carlos Slim Helu with a $69 billion net worth topped the list of billionaires in 2012. However, his net worth had fallen by $5 billion while Gates' net worth had risen by $5 billion.
Carlos Slim Helu was also the year's richest man with a $73 billion net worth.
Bill Gates had a net worth of $76 billion in 2014 and reclaimed the world's richest position.
For the 16th time, Bill Gates became the world's richest man thanks to his $79.2 billion net worth for the year.
Bill Gates by this time, became a familiar name when it came to the world's richest people. Gates' net worth in 2016 was $75 billion.
Bill Gates had a net worth of $86 billion in 2017 and was the richest man of the year. What's even more remarkable is that 56 people below the age of 40 also made it to the list of world's wealthiest people.
Jeff Bezos, CEO, and president of Amazon had a net worth of $112 billion in 2018, which is the highest since 1987.
Presently, Jeff Bezos is the richest man in the world in 2019, according to Forbes' ranking. Bezos has a net worth of $131 billion and is closely followed by Bill Gates with a $96.5 billion net worth.
These are the richest men in the world between 1987 to 2019 and what's evident, is that Bill Gates has held the title more than any other billionaire. It's remarkable that Jeff Bezos, whose name is new to the list, has the highest net worth between these years.