The BBC recently reported that a pre-census survey by the Welsh Office of National Statistics shows 874,700 people are able to speak the language, up from 726,600 in 2008. Roughly a 20% increase. The data was published as part of the “Annual Population Survey” as a run up to the full census to be taken in 2021.
The survey shows an increase the number of Welsh speakers in every local authority except for a minor decrease in Torfaen, where there was a 0.5% decrease, and Flintshire, where numbers fell by about 6.2%.