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About this dataset
This dataset provides Census 2021 estimates that classify usual residents aged 3 years and over in Wales by their ability to speak Welsh. The estimates are as at Census Day, 21 March 2021.
National Park data are created by plotting unique properties as identified by their Unique Property Reference Number or postcodes into National Park boundaries current at December 2022. This differs from the OA best fit methodology used for other geographic level data.
Protecting personal data
Sometimes we need to make changes to data if it is possible to identify individuals. This is known as statistical disclosure control. In Census 2021, we:
- Swapped records (targeted record swapping), for example, if a household was likely to be identified in datasets because it has unusual characteristics, we swapped the record with a similar one from a nearby small area. Very unusual households could be swapped with one in a nearby local authority.
- Added small changes to some counts (cell key perturbation), for example, we might change a count of four to a three or a five. This might make small differences between tables depending on how the data are broken down when we applied perturbation.
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The figures above are only a small sub-set of the data available in this dataset.Filter full dataset
About the variables
Welsh speaking ability (3 categories)
Description: This classifies a person as being able to "Speak Welsh". They may have also ticked one or more of the following: * understand spoken Welsh * read Welsh * write Welsh
In results that classify people by Welsh language skills, a person may appear in more than one category depending on which combination of skills they have.
Comparability with 2011: Highly comparableRead more...
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