1) The United States spent 20 percent of the federal budget on defense in 2011.
All told, the U.S. government spent about $718 billion on defense and international security assistance in 2011 — more than it spent on Medicare. That includes all of the Pentagon’s underlying costs as well as the price tag for the wars in Iraq and Afghanistan, which came to $159 billion in 2011. It also includes arms transfers to foreign governments.
