Demographics: First They Lift You Up...

Economically speaking, most of the world has had a pretty good 200 years. North America, Western Europe and large parts of Asia have gone from places where people were poor and life expectancy short, to prosperous places where people lived to a grand old age.

Most people think technology has been the major driver of this improvement in living standards, and it has - I'm sure - played a role. But there's a factor people forget: demographics.

This is the story of how demographics has lifted us up...