Mirroring the UK as a whole, the qualification profile of the Welsh population has improved markedly in recent years (Examination results in schools in Wales, 2019/20, Welsh Government).
Gan adlewyrchu’r DU gyfan, mae proffil cymwysterau poblogaeth Cymru wedi gwella'n sylweddol dros y blynyddoedd diwethaf (Canlyniadau arholiadau mewn ysgolion yng Nghymru, 2019/20, Llywodraeth Cymru).