8) Bill Clinton (Net worth: $80 million)

(He was worth just $700,000 went he became president. Since leaving office, he has earned more than $100 million from speaking and book sales)

William Jefferson “Bill” Clinton was the 42 president of the US. He held the office of the president between 1993 and 2001. He did not inherit any wealth from his parents. He did not earn fortune during 20 plus years of public service. He made his fortune as an author and public speaker after his time in the White House. He was paid an advance of $15 million for his book My Life in 2005. He was paid $750,000 to speak in Hong Kong for Ericsson in 2011.