This survey is a self-completion questionnaire provided to adults (aged 16+) and children (aged 3 to 15) who are identified as being able to speak Welsh in the National Survey for Wales.
Holiadur hunan-lenwi yw’r arolwg hwn a ddarperir i oedolion (16 oed +) a phlant (3 i 15 oed) sydd yn nodi eu bod yn gallu siarad Cymraeg yn Arolwg Cenedlaethol Cymru.