It is not an exaggeration to say that world demographics are entering uncharted territory. For the first time in a very long time, perhaps the first time ever, the dependency ratios (loosely, the ratio of dependents to workers) of all rich nations and of several emerging markets have started rising and will continue to rise for several decades.
This alone would be enough of a challenge for the world economy. But making things more complicated, it is taking place at the same time as the other big demographic transition of our age, the great population boom in some of the poorest nations of the world. Read more