The end result is those in the lower class have 2.5, middle around 2.0 and upper around 1.5
I'll say middle class is 1.7-1.8.
I read somewhere that the lower and middle classes have kids in their 20s, upper class in their thirties.
The end result is those in the lower class have 2.5, middle around 2.0 and upper around 1.5, because if you have your first kid at 35, you’re way less likely to have a second.
The end result is those in the lower class have 2.5, middle around 2.0 and upper around 1.5
I'll say middle class is 1.7-1.8.