On Wed, 25 Jun 2014 08:43:08 +0100, Tim Watts wrote:

London has, IIRC, the sixth largest French population of any city in
the world. Including those in France.

Sounds like they are settled rather than mobile and temporary.

All of them? You can tell from that one snippet of information? Wow. Even
the students? Even those in the city who'd be off tomorrow, to chase big
numbers, if their job changed or required it?

Maybe even the settled ones didn't all start off with the intention to
settle?