DETROIT – It's probably not a surprise.
Forbes released their 2017 list of the Richest Person in Every State.
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The richest person on the list is the richest person in Washington state – and the entire world: Microsoft cofounder Bill Gates, who is worth $88.9 billion. Gates is also the biggest gainer in dollar terms, adding $12.9 billion to his net worth this year. But he’s in danger of losing his titles: Amazon founder and fellow Washington resident Jeff Bezos is hot on his heels, but fell just short, at $83.3 billion, this year.
The youngest list member is Mark Zuckerberg (California, $62.4 billion) at 33 years old, while the oldest person on the list is Leslie Lampton (Mississippi, $760 million) at 91 years old. The average age of list members is 72 years old.
ALSO SEE: 12 from Michigan make the 2017 Forbes World's Billionaires list
The richest person in Michigan is Quicken Loans chairman Dan Gilbert, with an estimated net worth of more than $5 billion.
According to Forbes, compared to last year's list, nearly 70% of them, or 36 people, are wealthier than last year; only 12 saw a decline in the value of their net worth. Their fortunes average $14.4 billion, up from $12.6 billion in 2016.
| Rank | Name | Final Worth | Residence State |
| 1 | Bill Gates | 88.9 | Washington |
| 2 | Warren Buffett | 76.2 | Nebraska |
| 3 | Mark Zuckerberg | 62.4 | California |
| 4 | Michael Bloomberg | 50.7 | New York |
| 5 | Charles Koch | 47.5 | Kansas |
| 6 | Jim Walton | 38.5 | Arkansas |
| 7 | Alice Walton | 38.2 | Texas |
| 8 | Sheldon Adelson | 35.6 | Nevada |
| 9 | Jacqueline Mars | 27.6 | Virginia |
| 10 | John Mars | 27.6 | Wyoming |