According to [1] and [2], Spain and California seem to have very similar levels of religious observance. Italy is substantially more religious, though.[3] [1]

According to [1] and [2], Spain and California seem to have very similar levels of religious observance. Italy is substantially more religious, though.[3] [1] https://en.wikipedia.org/wiki/Religion_in_Spain https://en.wikipedia.org/wiki/Religion_in_Spain [2] https://en.wikipedia.org/wiki/Demographics_of_California#Religion https://en.wikipedia.org/wiki/Demographics_of_California#Rel... [3] https://en.wikipedia.org/wiki/Religion_in_Italy https://en.wikipedia.org/wiki/Religion_in_Italy