We have also published a joint work plan with the Office for National Statistics to improve our understanding of the surveys and the main sources of administrative data about the Welsh language.
Rydym hefyd 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.