Who was the world leader with the most wealth in 2016?
The wealth of the King of Thailand, Bhumibol Adulyadej, was estimated at $30 billion.
Unfortunately, the King passed away on October 13, 2016. His reign lasted 70 years.
Hassanal Bolkiahhe Sultan has been ranked among the wealthiest individuals in the world; Forbes estimated the Sultan's total peak net worth at US$20 billion in 2008.
Forbes notes that the Saudi king owns an estimated $18 billion.
The Queen of England's wealth is estimated as about $450 million.
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