He has been described as `` the world 's ` poorest ' president '' , due to his austere lifestyle and his donation of around 90 percent of his $ 12,000 ( # 7,500 ) monthly salary to charities that benefit poor people and small entrepreneurs .
He has been called `` the world 's ` poorest ' president '' because he donates around 90 percent of his $ 12,000 monthly salary to charities to help poor people and small entrepreneurs .