This article discusses the role and significance of the middle class in terms of income differentiation and social stability. By analyzing the middle class from an economic, sociological, political, and pedagogical perspective, this study demonstrates the mechanisms by which this stratum mitigates systemic crises, supports domestic consumption demand, finances important social goods, and accelerates the accumulation of human capital.

income differentiation, social stability, middle class, economic polarization, human capital, social mobility, aggregate demand.

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