This assumes each child needs their own room. I grew up in a house with one very large room shared by 3 boys.
Almost all new apartments have two or fewer bedrooms. This means larger families are effectively prohibited in most urban cores.
By Daniel Hess
I presented a lot of evidence that high urban density lowers fertility in a recent article.
https://twitter.com/MoreBirths/status/1864783613159416012
Some smart people questioned the strength of the relationship and particularly the causality. *⃣ How about this: larger families are de facto legally banned in most cities?
