"It is positive to note that there is an increase in the percentage of Welsh speakers in some of the south-east areas and further analysis will help us understand the reasons for that.
“Mae’n gadarnhaol nodi fod cynnydd yng nghanran y siaradwyr Cymraeg yn rhai o ardaloedd y de-ddwyrain a bydd dadansoddi pellach yn gymorth i ni ddeall y rhesymau dros hynny.