Final answer:
The statement that wealthy households are outpacing both poor and middle-class households accurately describes the current income distribution in the United States, where income inequality has grown with the richest individuals seeing significant gains.
Step-by-step explanation:
Among the given statements, the one that accurately describes the current income distribution in the United States is that wealthy households are outpacing both poor and middle-class households. Over recent decades, income inequality has significantly grown, and much of this growth has been driven by the highest earners outpacing the rest of the population. Factors contributing to this include shifts in household structures, labor market dynamics favoring higher earners, and the compounding effects of wealth accumulation.
By measuring income distribution using quintiles, we can compare what share of income is earned by each segment of the population. The data reveal that both income distribution and wealth distribution exhibit significant inequality, with the richest quintile controlling a disproportionate share of both income and wealth. This trend demonstrates how higher-income earners have seen substantial gains, whereas the middle and lower-income groups have not experienced the same level of growth.