John quoted The road to somewhere by David Goodhart
"Greater economic and cultural openness in the West has not benefited all of our citizens. …
Despite recent increases in geographical mobility about 60% of British people still live within 20 miles of where they lived when they were fourteen.
— The road to somewhere by David Goodhart (5%)
Originally mistakenly posted as a comment, but I find it interesting, and disconcerting that this applies to a minority of the people I know well.