This might seem like nitpicking, but it is hugely important distinction for people interested in demographics. The simple fact is that societies engaged in subs

This might seem like nitpicking, but it is hugely important distinction for people interested in demographics. The simple fact is that societies engaged in subsistence farming are, in fact, stable instead of growing, and their TFR is not very far from 2. This has been true about, say, most of pre 1800s Europe, or pre 1900s sub Saharan Africa, but has not been true about North America for last 400 years until very recently.