However, the number of people reporting to be able to speak Welsh has declined each quarter from December 2018 to March 2020, before increasing slightly in the most recent quarter.
Gostyngodd nifer y bobl sy'n adrodd eu bod yn gallu siarad Cymraeg rhwng mis Rhagfyr 2018 a mis Mawrth 2020, cyn cynyddu eto yn y ddau chwarter fwyaf diweddar.