Graphics made in OmniGraphSketcher and Adobe Illustrator. Data from Congressional Budget Office. “Trends in the Distribution of Household Income Between 1979 and 2007.” Summer 2012. http://www.cbo.gov/publication/42729. Congressional Budget Office. “The Distribution of Household Income and Federal Taxes, 2008 and 2009.” August 2012. http://www.cbo.gov/publication/43373.

Take a look at more data visualizations from my book, An Illustrated Guide to Income in the United States.