Following the release of the ONS article, additional guidance on the use of Census 2021 gender identity estimates has been added to each topic section of this bulletin.
Yn dilyn datganiad yr erthygl SYG, mae canllawiau ychwanegol ar ddefnydd yr amcangyfrifon hunaniaeth rhywedd Cyfrifiad 2021 wedi cael eu hychwanegu i bob ardal pwnc o’r bwletin yma.