Out of 1,041 requests since 2008, the president has pardoned only 22 people, for a rate of 1 in 50.
In comparison, Ronald Reagan pardoned 1 of every 3 applicants, George H.W. Bush 1 in 16, Bill Clinton 1 in 8 and George W. Bush 1 in 33.
The chance of having a sentence commuted by Obama is 1 in 5,000. Under George W. Bush, it was about 1 in 1,000. Under Reagan and Clinton, it was 1 in 100.
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