The distribution of income in an economy matters and can be measured on a country by country basis by the Gini Coefficient. However Gini values are not all up-to-date.
World Economics has developed an Inequality Index which references the Gini Coefficient from various sources and creates an index for country comparison purposes.
The Index is on a scale of 0-100, a high value indicates a more egalitarian society - and a low value suggests a lot of the national income is in the hands of very few depending upon the unit of measurement. Learn more...
Data source: World Economics Research, London