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The 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.

The Gini index measures the area between the Lorenz curve and the hypothetical line of absolute equality, expressed as a percentage of the maximum area under the line.

A Gini index of zero represents perfect equality and 100, perfect inequality.

For a formal definition of the Gini index and examples, see

Source Publication:
Key Indicators of the Labour Market (KILM): 2001-2002, International Labour Organisation, Geneva, 2002, page 704.

Statistical Theme: Labour statistics

Created on Friday, August 09, 2002

Last updated on Thursday, February 16, 2006