us budget deficit by president
According to this method, Barack Obama's budget is projected to run a deficit of $7.3 trillion over his eight years, making him the president with the largest budget deficit. George W. Bush is second, with a deficit of $3.29 trillion over his eight years.
CBO reported in October 2014: The federal government ran a budget deficit of $486 billion in fiscal year 2014...$195 billion less than the shortfall recorded in fiscal year 2013, and the smallest deficit recorded since 2008.