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 of 0 represents perfect equality, while an index of 100 implies perfect inequality. World Bank, Development Research Group.
What is World Bank Gini index?
GINI index (World Bank estimate) Long definition. Gini index measures the extent to which the distribution of income (or, in some cases, consumption expenditure) among individuals or households within an economy deviates from a perfectly equal distribution.
What is the world average Gini coefficient?
The Gini coefficient for the entire world has been estimated by various parties to be between 0.61 and 0.68.
Is a high Gini coefficient good?
A higher Gini index indicates greater inequality, with high-income individuals receiving much larger percentages of the total income of the population. Because of data and other limitations, the Gini index may overstate income inequality and can obscure important information about income distribution.
Is a high Gini Coefficient bad?
In addition, the Gini index can be compared to gross domestic product (GDP) figures. If GDP increases, some take this to mean that the people in a country are doing better. However, if the Gini index is rising as well, it suggest that the majority of the population may not be experiencing increased income.
What is the best Gini coefficient?
GINI index (World Bank estimate) – Country Ranking
| Rank | Country | Value |
|---|---|---|
| 1 | South Africa | 63.00 |
| 2 | Namibia | 59.10 |
| 3 | Suriname | 57.60 |
| 4 | Zambia | 57.10 |
What is Gini coefficient used for?
“The Gini coefficient provides an index to measure inequality,” says Antonio Cabrales, a professor of economics at University College London. It is a way of comparing how distribution of income in a society compares with a similar society in which everyone earned exactly the same amount.
Is Gini a coefficient?
The Gini index, or Gini coefficient, is a measure of the distribution of income across a population developed by the Italian statistician Corrado Gini in 1912. It is often used as a gauge of economic inequality, measuring income distribution or, less commonly, wealth distribution among a population.
How effective is the Gini coefficient?
Cowell says that the Gini coefficient is useful, particularly because it allows negative values for income and wealth, unlike some other measures of inequality. (If some amount of the population has negative wealth (owes money), the Lorenz curve will dip below the x-axis.) But the Gini coefficient also has limitations.
What does a high Gini coefficient mean?
If A is a very large area (making B very small), then the Gini Coefficient is large (almost 1) and it means there is very uneven distribution of income. Countries with a high Gini Coefficient are more likely to become unstable, since there is a large mass of poor people who are jealous of the small number of rich people.
How is Gini coefficient calculated?
The Gini coefficient is calculated as the area A [between the curve and the line of equality] divided by the sum of areas A and B [everything under the line of equality]. If income is distributed completely equally, then the Lorenz curve and the line of total equality are merged and the Gini coefficient is zero.
Is a higher Gini coefficient better?
The better a credit score, the better it is at giving lower scores to riskier applicants, and higher scores to safer applicants. Though calculating a Gini Coefficient is complex, understanding it is fairly simple. A Gini Coefficient is merely a scale of predictive power from 0 to 1.
What is the Gini ratio?
Gini coefficient. In economics, the Gini coefficient ( /ˈdʒiːni/ JEE-nee ), sometimes called Gini index, or Gini ratio, is a measure of statistical dispersion intended to represent the income or wealth distribution of a nation’s residents, and is the most commonly used measurement of inequality.
