University of Maryland
Sociology 441: Stratification 
graph GNP per capita, 1950-2005

Average family income trends:
Median income
Bottom quintile
Top quintile
Individual earnings

Income inequality trends:
Gini index of inequality
Share of bottom quintile
Share of middle quintile
Share of top quintile

 

Sources: Bureau of Economic Analysis, http://www.bea.doc.gov/bea/dn/nipaweb/Index.asp
  Economic Report of the President, http://w3.access.gpo.gov/usbudget/fy2003/erp.html
 


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Last updated November 14, 2002
comments to: Reeve Vanneman. reeve@umd.edu