Income Inequality

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…have taken place that tends to provoke differences in household incomes. For example, divorces and separations, births out of wedlock, and the increasing age at first marriage have led to a shift away from married-couple households and toward single-parent and non-family households, which typically have lower incomes. Also, the increasing tendency over the period for men with higher-than-average earnings to marry women with higher-than-average earnings has contributed to widening gap between high-income and low-income households.