“Americans do not have a realistic picture of the budget,” says J. Ann Selzer, the Des Moines, Iowa-based pollster who conducted the survey. “We all know people who are in debt yet cannot for the life of them figure out where the money goes.”…

More than seven in 10 respondents say slashing foreign aid and pulling troops out of Iraq and Afghanistan would result in substantial savings, and large majorities back such moves. Yet foreign aid accounts for about 1 percent of federal spending, and the Pentagon requested $159 billion for the wars in Iraq and Afghanistan this year, less than 5 percent of Obama’s $3.83 trillion federal budget.

Fewer than half of respondents say cutting Medicare benefits or raising the age at which Americans receive Social Security retirement benefits would have a large impact on the deficit, and only 2 in 10 favor cutting Medicare benefits. Such entitlements account for about 40 percent of the budget and are the main drivers of the long-term deficit.