Below is a very good video from the Marginal Revenue University. Specifically, you learn how variations in real GDP per capita can set countries leagues apart from one another. It takes a dive into the growth of the US economy over time and see how the economies of other countries stack up in comparison. The Indian economy now is like a trip back to the US of 1880. You’ll see why China today is like the America of the Jazz Age. They also explain why living in Italy today is related to a time when Atari was popular in the US.