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Web of Proceedings - Francis Academic Press

Analytical Examination of GINI Index and Lorenz Curves: A Scientific Inquiry

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DOI: 10.25236/iceesr.2024.022


Lingfei Kong

Corresponding Author

Lingfei Kong


The Gini Index, derived from the Lorentz curve, serves as a benchmark for assessing wealth inequality within a nation. Employing calculus and curve-fitting techniques to establish the Lorentz curve model not only furnishes a theoretical foundation for more effectively tracking the income distribution among residents but also holds practical implications. Additionally, a thorough examination of the Lorentz curve's first and second derivatives enables a profound analysis of how alterations in national income and population dynamics impact the curve, offering valuable insights into the intricacies of income distribution patterns.


Gini Index; Lorenz Curve; Curve-fitting Method; Riemann Sum Method