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Use of interpolation and extrapolation on original Gini coefficient data,
2017

In order to produce global estimates of historical poverty trends we have interpolated or extrapolated inequality data for missingobservations. Green indicates observations of the Gini coefficient available in the original source.

Baseline Gini series0.30.350.40.450.50.550.60.65GDP per capita (2011 int-$)$50,000ChinaChinaIcelandIcelandIndiaIndiaIranIranMalawiMalawiNetherlandsNetherlandsNigeriaNigeriaRussiaRussiaSouth AfricaSouth AfricaSpainSpainSri LankaSri LankaGCIP (income) - originalregional averagevan Zanden et al. (2014) -original1.4B1.4BCircles sized byPopulation

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