Foreign holdings of US Treasury securities is up about 11% from November 2011, when the total outstanding was $5.01 trillion. In November 2012 $5.56 trillion is outstanding, according to the US Treasury, here.
About $548 billion in new monies has thus been lent by foreigners to the US in the twelve months through November 2012.
Federal revenues for fiscal 2012 are estimated at $2.5 trillion, with outlays at $3.8 trillion. That leaves about $750 billion of lending to the feds made up from domestic sources to pay for all the spending.
