Mitt Romney's latest campaign setback is a leaked video that shows him slagging the 47 percent of the population who, he says, will always vote for Barack Obama, because they want everything for free from the government.

The 47 percent number presumably refers to the percent of the population who don't pay Federal Income Taxes, which of course is just one kind of tax.

From the Tax Policy Center, these three pie charts show who those people are.

Kevin Roose at NYMag puts the data into words: