Tax Policy Center : Tax Facts
http://www.taxpolicycenter.org/taxfacts/tfdb/tftemplate.cfm
taxpolicycenter.org - Information on the composition of taxes; distribution of tax burden and changes in tax burden over time.
http://www.taxpolicycenter.org/taxfacts/tfdb/tftemplate.cfm
taxpolicycenter.org - Information on the composition of taxes; distribution of tax burden and changes in tax burden over time.