The differentiation of wealth and consumption proportions among households of different social classes in the United States. On the level of family wealth: the richest 0 in the United States 1% of households account for 13% of wealth, the top 10% of households account for 70-80% of total wealth, the middle class (40% -50%) accounts for over 20% of wealth, and the bottom 50% of households account for only about 3% of wealth; Consumption level: The top 10% of households account for 50% of consumption, the middle class accounts for 30-40% of consumption, and the bottom 50% of households account for over 10% of consumption. It can be seen that consumption in the United States is mainly supported by the top 10% of income earners, with expenditures accounting for nearly 50%, which is equivalent to one-third of GDP being created by this 10% group. If we add the middle class, 50% of the middle and high-income groups account for nearly 90% of consumer spending. Abnormal economic growth relies on the sustained spending of the wealthy, who have diverse sources of income, including rent, dividends, investment income, and other asset income in addition to wages. Meanwhile, the spending of the middle and low-income groups has decreased. Looking at the economic situation in the United States, in addition to various economic indicators, the proportion of population wealth and consumption is also an important perspective.