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1 Gini Indexes and Lorenz Curves The Gini
Gini Indexes and Lorenz Curves The Gini coefficient is a measure of statistical dispersion most prominently used as a measure of inequality of income distribution or inequality of wealth distribution. It is defined as a ratio with values between 0 and 1: A low Gini coefficient indicates more equal income or wealth distribution, while a high Gini coefficient indicates more unequal distribution. 0 corresponds to perfect equality (everyone having exactly the same income) and 1 corresponds to perfect inequality (where one person has all the income, while everyone else has zero income). Worldwide, Gini coefficients range from approximately 0.249 in Japan to 0.707 in Namibia. The Gini index is the Gini coefficient expressed as a percentage, thus Japan's Gini index is 24.9% (Mathematically, this is equal to the Gini coefficient of 0.249, but the percentage sign is often omitted in the Gini index.) \n \r \r\n \n \r \r \r
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