The Gini coefficient measures the inequality among the values of a frequency distribution, such as income levels. A Gini coefficient of 0 reflects perfect equality, where all income or wealth values are …

The Gini coefficient, also called the Gini index or Gini ratio, is the most commonly used measure of income distribution—simply put, the higher the Gini coefficient, the greater the gap between the …

Jun 30, 2023 · The Gini coefficient, or Gini index, is the most commonly used measure of inequality. It was developed by Italian statistician Corrado Gini (1884–1965) and is named after him.

World Bank, Poverty and Inequality Platform. Data are based on primary household survey data obtained from government statistical agencies and World Bank country departments. Data for high …

Aug 8, 2025 · The Gini index, developed by Corrado Gini in 1912, measures income inequality on a scale from 0 (perfect equality) to 1 (perfect inequality), with South Africa having the highest recorded …

Sep 27, 2025 · A Gini of 0 indicates perfect equality, while 1 indicates that all income goes to one person and none to everyone else. The index is often used by economists and policymakers to assess …

Jun 5, 2025 · The Gini index measures the area between the Lorenz curve and a hypothetical line of absolute equality, expressed as a percentage of the maximum area under the line. Thus a Gini index …

Oct 8, 2021 · The Gini Index is a summary measure of income inequality. The Gini coefficient incorporates the detailed shares data into a single statistic, which summarizes the dispersion of …

Mar 13, 2025 · Developed by, and named after, statistician Corrado Gini in the early 1900s, the Gini Coefficient is often used to measure wealth and/or income inequality. However, it can actually be …

Aug 14, 2025 · The Gini coefficient summarizes how much the distribution of income (or other measures, like consumption or wealth) among individuals or households deviates from a perfectly …