My reference group for "average person" is people. (What else could it possibly be?) There are 8.3 billion of them now, and there were 6.7 billion 20 years ago. 02007 (19 years ago) was the year when the
median person transitioned from living in the country, either on a farm or herding livestock, to living in a town or city:
https://en.wikipedia.org/wiki/Urbanization#cite_ref-urbaniza...One side of my family has lived in cities and towns for over 100 years, but they were not average.