University of Maryland
Sociology 441: Stratification 
graph union wages 1950-2000
Other union trends:
Union and nonunion wages
Unionization by data source
Unionization by industry sector
Strikes and unemployment

Other possible causes of inequality:
Foreign trade
Minimum wage laws

Income inequality trends:
Overall inequality
Share of bottom quintile
Share of middle quintile
Share of top quintile

return to: Sociology 441 home page Sociology 441 list of figures

Last updated May 9, 2000
comments to: Reeve Vanneman.