Nigeria: Gini inequality index

(measure: index points; Source: The World Bank)
* indicates monthly or quarterly data series

Nigeria: Gini income inequality index

: For that indicator, The World Bank provides data for Nigeria from 1985 to 2009. The average value for Nigeria during that period was 43.74 index points with a minumum of 38.7 index points in 1985 and a maximum of 51.9 index points in 1996. See the global rankings for that indicator or use the country comparator to compare trends over time.
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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. A Lorenz curve plots the cumulative percentages of total income received against the cumulative number of recipients, starting with the poorest individual or household. 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.
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