What do you think of this:
In Canada, unlike many other countries, fertility rates and desires rise with income: richer Canadians have more children. Children increasingly come as a capstone to material and relational success, and thus later in life, rather than as a building block for family life.
https://www.cardus.ca/research/family/reports/she-s-not-having-a-baby/
I have no idea how trustworthy this is but so far, it feels ok.
Though question to crack. Anyway, thanks for the conversation, I really appreciate it. Cheers!