Link to document: https://gov.wales/sites/default/files/publications/2020-01/cymraeg-2050-a-million-welsh-speakers-annual-report-2018-19.pdf
Linc i’r ddogfen: https://llyw.cymru/sites/default/files/publications/2020-01/cymraeg-2050-miliwn-o-siaradwyr-adroddiad-blynyddol-2018-19.pdf