How dual incomes and the tech boom turned the upper middle class into America's biggest income group | Fortune
The share of Americans families earning between $133K and $188K jumped from 10% in 1979 to 31% today.
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Apr 08, 2026
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The share of Americans families earning between $133K and $188K jumped from 10% in 1979 to 31% today.
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Source url: https://fortune.com/2026/04/08/upper-middle-class-largest-income-group/
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