“Based on Wolff (2010), the bottom 40% of the population combined has only 0.3% of wealth while the top 20% possesses 84% (see Figure 2). These differences between levels of wealth in society comprise what’s called the Gini coefficient, which is one way to quantify inequality.”Income inequality by the numbers, from Americans Want to Live in a Much More Equal Country (They Just Don’t Realize It) – great read by Dan Ariely.
