Gini index
From CharityScorecard
- Gini index
- A measure of the relative equality or inequality of income distribution within a country (or group of people). 0 represents a completely equal spread of income, while 100 represents a completely unequal spread where one person gets all the income. See http://en.wikipedia.org/wiki/Gini_index and http://en.wikipedia.org/wiki/List_of_countries_by_income_equality

