30 May 2020

The 2018-based file is incorrect and will be replaced by the end of June. More details of the error are in the notices at the top of our table of contents page. Note that the size of the error for variant projections will differ to some extent from that affecting the main (principal) projection for Wales.

17 June 2020

The original file has been retained. Because the correction to the other Wales files resulted from an error in the original cross-border flow calculations, the zero net migration file was not affected.