Income and Earnings Real Median Individual Income by Race/Ethnic Origin, 1947-2012 Real Median Individual Income by Sex, 1947-2012 Percentage Change in Family Income, 1947-1975 and 1975-2012 Trends in Family Income: Bottom Four Quintiles and Top 5 Percent, 1947-2012 (Reported in 2012 $) Percentage Change in Average After-Tax Household Income between 1979 and 2010 by Quintiles and Top Percentiles (Reported in 2010 $) Real Median Household Income by Educational Attainment of Household Head, 1968-2012 (Reported in 2012 $) Average After Tax Household Income by Quintile, 1979-2010 (Reported in 2010 $) Mean Household Income of Quintiles, 1967-2012 (Reported in 2012 $) Real Household Income at Selected Percentiles, 1968-2012, Age 25-64 Real Mean and Median Income, Families and Individuals, 1947-2012, and Households, 1967-2012 (Reported in 2012 $)