There are links to the proposal in this sense as the movement of people both into and from these communities can have an impact on the number of Wels- speakers.
Mae cysylltiadau â'r cynnig yn hyn o beth gan y gall pobl sy'n symud i mewn i'r cymunedau hyn ac yn eu gadael gael effaith ar nifer y siaradwyr Cymraeg.