For Scotland, the census was moved to 2022 (due to the impact of the COVID-19 pandemic) with the mid-2021 population estimates being rolled forward from mid-2020 using the standard method.
Ar gyfer yr Alban, symudwyd y cyfrifiad i 2022 (oherwydd effaith pandemig COVID-19) gydag amcangyfrifon poblogaeth canol 2021 yn cael eu treiglo ymlaen o ganol 2020 gan ddefnyddio’r dull safonol.