Gini coefficient

The Gini coefficient (cried the Gini index or Gini ratio an aa) (/ini/) is a measure o stateestical dispersion intendit tae represent the income distribution o a naition's residents.

Gini coefficient o naitional income distribution aroond the warld. This is based on 1989 tae 2009 data, estimatit bi the CIA. Some are pre-tax an transfer, ithers post-tax income.