More Americans Are Breaking Into the Upper Middle Class
Research shows that ranks of higher earners have grown markedly over last 50 years, while lower rungs of middle class have shrunk
By Rachel Louise Ensign, The Wall Street Journal, April 4, 2026
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America’s middle class is becoming wealthier as more families scale the economic ladder into higher-earning groups. New research shows that the ranks of the affluent have grown markedly over the last 50 years or so, while the lower rungs of the middle class have shrunk.
In 2024, about 31% of Americans were part of the upper middle class, up from about 10% in 1979, according to a report released this year by the right-leaning American Enterprise Institute.
There is no single, standard definition of middle class, or upper middle class, and what counts as a hefty income in one city can feel paltry in another. The AEI report, by Stephen Rose and Scott Winship, classified a family of three earning $133,000 to $400,000 in 2024 dollars as upper middle class. Households earning more were categorized as rich. The analysis looked just at incomes, not assets such as stocks or real estate…
The authors found that more families now fall into the two highest-earning groups—upper middle class and rich—and fewer fall into the three lower-earning categories.
In 2024, about 19% of American families were considered “poor or near poor,” according to the AEI report, down from about 30% in 1979. The report defined that group as a family of three earning about $40,000 or less in 2024 dollars…
The report’s analysis used the federal poverty guidelines to determine which group a family fell into. The economists considered a family earning between five times and 15 times the poverty guideline to be in the upper middle class—thus their parameters of $133,000 to $400,000…
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Married (or cohabiting) households have higher combined incomes. In terms of taxes, Married Filing Jointly have significantly lower taxes for the same household income compared with singles (even cohabiting singles).
The increase of the incomes is good for the economy. But upper middle class families still manage to feel pressured due to the cost of buying a home and sending children to expensive colleges.
Wendy
