مؤشر جيني Gini Coefficient

For 5 people set where 4 have no income and the fifth has all the income the gini coefficient is 0 8.

مؤشر جيني gini coefficient. The measure has been in use since its development by. The gini coefficient is equal to the area below the line of perfect equality 0 5 by definition minus the area below the lorenz curve divided by the area below the line of perfect equality. The gini coefficient is a measure of the inequality of a distribution a value of 0 expressing total equality and a value of 1 maximal inequality. It is most often used in economics to measure how far a country s wealth or income distribution deviates from a totally equal distribution.

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. Data are based on primary household survey data obtained from government statistical agencies and world bank country departments. Gini coefficient becomes 1 only in a large population where one person has all the income. It is a measure of the inequality of a distribution a value of 0 expressing total equality and a value of 1 maximal inequality.

معامل جيني graphical representation of the gini coefficient the area of the whole triangle is defined as 1 not 0 5. For more information and methodology please see povcalnet. The index is based on the gini coefficient a statistical dispersion measurement that ranks income distribution on a scale between 0 and 1. It has found application in the study of inequalities in disciplines as diverse as sociology economics health science ecology chemistry engineering and agriculture.

Gini index world bank estimate world bank development research group. معامل جيني من ويكيبيديا الموسوعة الحرة graphical representation of the gini coefficient the area of the whole triangle is defined as 1 not 0 5.