Donald Trump brags about his status as a billionaire far and wide. Many Americans know at least some of the details on how Trump earned his money. Below, check out all the details on the net worth of Barack Obama and how he has built his wealth. During his two terms as president, Barack Obama also received the benefits associated with the office. That put Obama well on his way toward achieving an eye-popping net worth. Plus, he receives funds for an office, staff, and related expenses. Treasury bills.