The Welsh Language Use Survey contains questions about, respondents’ ability in Welsh, how and where they learnt to speak Welsh, their use of the language as well as their views about the language.
Diben yr Arolwg Defnydd Iaith yw casglu gwybodaeth ynghylch pa mor aml, ble, pryd ac â phwy y mae siaradwyr Cymraeg yn defnyddio’r Gymraeg, a chael gwybod mwy am eu gallu yn yr iaith.