As such, we have published a joint work plan with the Office for National Statistics to improve our understanding of the surveys and the main administrative sources of data about the Welsh language.
O ganlyniad, rydym wedi cyhoeddi cynllun gwaith ar y cyd â’r Swyddfa Ystadegau Gwladol er mwyn gwella’n dealltwriaeth ni o’r arolygon a’r prif ffynonellau data gweinyddol am y Gymraeg.