Authors Data Years Type of income Geography Income Inequality Metric Previous Research Piketty and Saez IRS tax Pre-tax income for Nation Top decile income shares (2003) data tax-unit CBO (2011) IRS tax 1979-2007 Pre-tax, Nation Gini Index data, CPS and Quintile income shares after (only federal taxes) Burkhauser CPS 1975-2004 Pre-tax, Nation Gini (2011) (internal transfer Census) Gindelsky (2015) CPS 1975-2014 Pre-tax, Nation Top 1% income share income Top 0.1% income share (households and Gini Index individuals) Gini of Top 1% and Sullivan CPS 1963-2011 Pre-tax, Nation 90-10 Ratio, 90-50 Ratio, (2013) and 50-10 Ratio after-transfer (state and federal taxes) Heathcote, Perri, CPS 1965-2005 Pre-tax, Nation Variance of Log, Gini and Violante and Index, 50-10 Ratio, 90-50 (2009) after-transfer Ratio (only federal taxes) McNichol et al. CPS 1977-2010 Pre-tax, Nation 80-20 Ratio, 95-20 Ratio, (2012) transfer and 90-50 Ratio, 95-50 Ratio after-transfer (only federal taxes) Gottschalk and CPS 1975-2002 Pre-tax, Nation 90-10 Ratio Danziger (2005) income Cunningham OES 2003-2013 Wages MSA 90-10 Ratio (2015) Weinberg (2011) 5-year 2005-2009 Pre-tax, Nation, State, Gini Index, 90-10 Ratio, ACS and MSAs with 95 -20 Ratio pop >1 million Mather and Decennial 1989-2012 Pre-tax, Counties Gini Index Jarosz (2014) Census, ACS Holmes and 1-year 2007-2014 Pre-tax, 100 most 95-20 Ratio Berube (2016) ACS populous MSAs Current Glassman (2016) 1-year 2005-2015 Pre-tax, Nation, MSA Quintile income shares, ACS transfer and Gini Index, Theil Index, (internal After-transfer MLD, Palma Ratio, 80-20 Census) (state and federal Ratio, 90-10 Ratio, 50-10 taxes) Ratio, 90-50 Ratio, 99-90 Ratio
Authors Data Years Type of income Geography Income Inequality Metric Previous Research Piketty and Saez (2003) IRS tax data Pre-tax income for tax-unit Nation Top decile income shares CBO (2011) IRS tax data, CPS 1979-2007 Pre-tax, and after (only federal taxes) Nation Gini Index Quintile income shares Burkhauser (2011) CPS (internal Census) 1975-2004 Pre-tax, Nation Gini Gindelsky (2015) CPS 1975-2014 Pre-tax, income (households and individuals) Nation Top 1% income share Top 0.1% income share Gini Index Gini of Top 1% and Sullivan (2013) CPS 1963-2011 Pre-tax, and after-transfer (state and federal taxes) Nation 90-10 Ratio, 90-50 Ratio, 50-10 Ratio Heathcote, Perri, and Violante (2009) CPS 1965-2005 Pre-tax, and after-transfer (only federal taxes) Nation Variance of Log, Gini Index, 50-10 Ratio, 90-50 Ratio McNichol et al. (2012) CPS 1977-2010 Pre-tax, and after-transfer (only federal taxes) Nation 80-20 Ratio, 95-20 Ratio, 90-50 Ratio, 95-50 Ratio Gottschalk and Danziger (2005) CPS 1975-2002 Pre-tax, income Nation 90-10 Ratio Cunningham (2015) OES 2003-2013 Wages MSA 90-10 Ratio Weinberg (2011) 5-year ACS 2005-2009 Pre-tax, Nation, State, and MSAs with pop >1 million Gini Index, 90-10 Ratio, 95 -20 Ratio Mather and Jarosz (2014) Decennial Census, ACS 1989-2012 Pre-tax, Counties Gini Index Holmes and Berube (2016) 1-year ACS 2007-2014 Pre-tax, 100 most populous MSAs 95-20 Ratio Current Glassman (2016) 1-year ACS (internal Census) 2005-2015 Pre-tax, and After-transfer (state and federal taxes) Nation, MSA Quintile income shares, Gini Index, Theil Index, MLD, Palma Ratio, 80-20 Ratio, 90-10 Ratio, 50-10 Ratio, 90-50 Ratio, 99-90 Ratio transfer transfer transfer