University of Maryland
Sociology 441: Stratification 
graph overall inequality, 1950-2005

Other inequality trends:
Share of bottom quintile
Share of middle quintile
Share of top quintile

Quintile ratios:
Ratio of top to bottom
Ratio of top to median
Ratio of median to bottom

Family income levels:
Bottom quintile
Median income
Top quintile

  Source: US Census Bureau,
return to: Sociology 441 home page Sociology 441 list of figures

Last updated October 23, 2002
comments to: Reeve Vanneman.