As the area between the Lorenz curve and diagonal gets larger, the Gini ratio

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The Gini ratio (or Gini coefficient) measures income inequality within a population. The Lorenz curve plots the cumulative percentages of total income received against the cumulative number of recipients, starting with the poorest individual or household. The diagonal line represents perfect equality. As the area between the Lorenz curve and the diagonal line increases, it indicates a greater deviation from perfect equality, thus reflecting greater inequality. Therefore, the Gini ratio rises to indicate this greater inequality.

As the Area Between the Lorenz Curve and Diagonal Gets