According to Forbes magazine's 2014 rankings of the world's billionaires, Bill Gates has a net worth of approximately $76 billion. This is up $9 billion from the previous year due to a bounce in... According to Forbes magazine's 2014 rankings of the world's billionaires, Bill Gates has a net worth of approximately $76 billion. This is up $9 billion from the previous year due to a bounce in Microsoft shares and has earned him the honor of being the richest person in the United States and in the world.