a

Degrees of Inequality

World map showing color coded countries by level of wealth inequality. Red countries high inequality, green countries low inequality

All state societies are based around inequality. However, states have different levels of inequality.

The chart shows nations by Gini coefficient, an economic measure of inequality. A Gini coefficient of 0 indicates perfect equality (everyone has the same amount of wealth). A Gini coefficient of 1, perfect inequality (one person has all the wealth)

Next: US household income by quintile