While income for all families, when adjusted for inflation, has grown in the last 30 years, largely sue to higher levels of women in the workplace, the gap between white and black households has actually widened. The main cause for this is the decrease in wages for black men. Here is a telling statistic:
In 2004, a typical black family had an income that was only 58 percent of a
typical white family's. In 1974, median black incomes were 63 percent those
This is a pretty disturbing trend. There are many social and economic factors that contribute to this phenomenon, for example, institutional racism (from employers, financial institutions, law enforcement, etc.), high prevalence of single parent families among blacks, and poor education options.
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