How do you measure Gini coefficient?

The Gini coefficient is measured by calculating the area between the Lorenz curve (which represents the cumulative distribution of income or wealth) and the line of equality (which represents perfect equality). The formula for the Gini coefficient is G = A / (A + B), where A is the area between the Lorenz curve and the line of equality, and B is the area under the Lorenz curve. The Gini coefficient ranges from 0 to 1, with 0 indicating perfect equality and 1 indicating perfect inequality. It can also be expressed as a percentage by multiplying by 100.