Understanding The Elephant Chart: How To Make Sense Of The Global Macroeconomic Situation

I watched this PBS Newshour video the other day, in which they break down "The Elephant Chart". I found it really illuminating, in terms of what's happening economically throughout the world, and who the winners and losers are.

In short, it shows that the very rich in countries like the US are doing well, and rising economies like China are having growing middle-classes, but the middle-classes in countries like the US are disappearing with the quickness.

Here's the article on the PBS Newshour website: http://www.pbs.org/newshour/making-sense/hottest-chart-economics-means

Have any thoughts? Let me know in the comments below, and we can discuss!