It was developed by Italian statistician and sociologist Corrado Gini. The Gini coefficient measures the inequality among the values of a frequency distribution, such as income levels. A Gini coefficient of 0 …

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 …

Gini index 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 …

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.

Jan 3, 2026 · 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 …

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 …

Apr 7, 2025 · The Gini coefficient, or Gini index, is derived from the Lorenz curve, and like the Lorenz curve, it measures the degree of economic equality across a given population and simplifies this …

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 …

Every population has a Gini Index value that is somewhere between two extremes: A Gini Index of zero (or 0%) means everyone has the same amount of wealth. In contrast, a Gini Index of 1 (or 100%) …

Jan 22, 2025 · What is the Gini Coefficient? The Gini coefficient is a statistical measure used to assess inequality within a dataset. It ranges from 0, representing perfect equality, to 1, indicating perfect …