Overall, 11 per cent of adults in Wales are not online, but some sections of the population are more at risk of digital exclusion than others.
At ei gilydd, nid yw 11 y cant o oedolion yng Nghymru ar-lein, ond mae rhai rhannau o’r boblogaeth mewn perygl uwch o allgáu digidol nag eraill.