Reconciliation reports summarising data for each local authority are then issued promptly and data is published as soon as possible after each census date.
Yna caiff adroddiadau cysoni sy'n crynhoi data ar gyfer pob awdurdod lleol eu cyhoeddi'n brydlon a chyhoeddir data cyn gynted â phosibl ar ôl pob dyddiad cyfrifiad.