"Key:R/P 10%: The ratio of the average income of the richest 10% to the poorest 10%R/P 20%: The ratio of average income of the richest 20% to the poorest 20%Gini: Gini index, a quantified representation of a nation's منحنى لورنزUN: Data from the برنامج الأمم المتحدة الإنمائي.