In this week's installment of our 'by the numbers' infographic we break down the numbers behind the 113th U.S. Congress.
Sources: Senate Historical Office, Georgetown University Government Affairs Institute, MSNBC.com, House Library, Library of Congress, National Economic Council and the President's Council of Economic Advisers, Roll Call, American Community Survey, Congressional Research Service Report, Vital Statistics in American Politics, Pittsburgh Tribune-Review, Yahoo News, Pew Research Center, Center for the Study of the American Electorate.