Incomes in China and India are a small fraction of incomes in the United States. But incomes

Question:

Incomes in China and India are a small fraction of incomes in the United States. But incomes in China and India are growing at more than twice the rate of those in the United States.
a. Explain how economic inequality in China and India is changing relative to that in the United States.
b. How is the world Lorenz curve and world Gini ratio changing?