Silvio Berlusconi  : 7.8 billion dollars
he is the member of Italian Parliament.
He started his career as a seller for vacuum cleaners and earned his daily income. After that Silvio started a new venture which was related to uptown houses.
In 1970, Silvio Berlusconi inaugurated the most influential media company. Berlusconi has 7.8 billion dollars and included among  top ten prosperous politicians of the world.