The Special Region of Yogyakarta has the highest level of inequality in Indonesia. Statistics Indonesia (Badan Pusat Statistik) recorded a Gini ratio of 0.425 for Yogyakarta in September 2016, higher than the figures for March 2016 and September 2015, which were 0.42.
Of the 10 provinces with the highest inequality in September 2016, five were located on Java Island, including Jakarta. Six of these provinces had Gini ratios above 0.4, meaning they fell into the category of moderate inequality.
The Gini ratio is an indicator used to illustrate inequality or unevenness, with values ranging from 0 to 1. A value of 0 indicates perfect equality, while a value of 1 indicates perfect inequality. If the Gini ratio is < 0.4, the level of inequality is low. If the Gini ratio is between 0.4 and 0.5, the level of inequality is moderate, and if it is above 0.5, the level of inequality is high.
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