This dataset provides 2001 Census estimates that classify usual residents aged 3 and over in area and those having moved from the area to elsewhere inside Wales in the past year (outflow) by sex and knowledge of Welsh and age by migration within Wales. The estimates are as at census day, 29 April 2001.

The term 'area' refers to the particular area level being shown in the table. So, in the case of a table for a ward, this will mean the term 'area' translates to the name of the ward.

One year ago is one year before Census day (29 April 2001).

One or more skills in Welsh' means one or more of the following: understanding spoken Welsh; speaking Welsh; reading Welsh; writing Welsh.

Where this table presents results for an Electoral Division, the 'associated area' is the respective Unitary Authority. Where this table presents results for other areas, the 'associated area' is Wales.

Figures have been randomly adjusted to avoid the release of confidential data