By the way, a lot of people in Wales are English immigrants.
Percentage reporting "English only" and "English and British":
Isle of Anglesey - 15,00%
Gwynedd - 13,16%
Conwy - 21,27%
Denbighshire - 21,03%
Flintshire - 25,42%
Wrexham - 13,94%
Ceredigion - 17,51%
Pembrokeshire - 13,34%...