Related terms:
quintile
income
dennis gilbert
household
highly educated
income earners
sociologists
william thompson
middle class
graduate degrees
personal income
lower middle class
two income earners
upper middle class
household income
american middle class
income distribution
intimate relationships
median income
educational attainment in the united
Wikipedia sources:
American middle class
Social class in the United States
Context for words:
joseph
hickey
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