China is facing a huge demographic problem, as well as a geographic problem. This book changed how I thought about this topic: https://www.amazon.com/Accidental-Superpower-Generation-Amer...

Agreed. The US is in a tough spot, but the rest of the world is in an even tougher spot. Definitely with regards to geography, but also with regards to demography (the only continent where population is continuing to grow is Africa). Worth reading: "The Accidental Superpower", https://www.amazon.com/Accidental-Superpower-Generation-Amer...