5) Paul Biya – Net Worth: $200 Million

Country: Cameroon, Years in Power: 31

Paul Biya has been the President of Cameroon since November 6 1982. His estimated net worth is around $200 million; this figure was published by the ForeignPolicy.com. Around 48 percent of the citizens of Cameroon live below the poverty line. CatholicCommittee against Hunger and for Development (CCFD) and several on-and-offline media has placed him in the list of leaders with ill-gotten wealth. In 2009, French online newspaper, Rue 89, reported the Cameroon President’s vacation was the top most expensive among world leaders. More than that of the American President. He was criticized for spending 30,000 euros ($40,000) per day on renting a villa.