it didn't extend to non-english speaking countries.
A "non-english speaking countries"? what's that strange concept? Does it even exist? In the long run, we're all dead. John Maynard Keynes
I'm certain there is a good joke in there somewhere, but I got nothin'.
(hangs head) Conservatives want live babies so they can raise them to be dead soldiers. - George Carlin
The only thing I can immediately think of to explain this, is that since it is about housing, I wonder if there is a tendency for English speaking people to want to move to, perhaps retire to, English speaking countries. (and perhaps this would also apply to French and other original language speakers).
For my purposes, this report is very valuable now, but would be moreso if it covered a broader geography--particularly Europe for what I'm doing.