Data and supporting information about Welsh language from Census 2021 in Wales.
These publications are part of the topic summaries and will include datasets, statistical bulletins and supporting information.
It includes univariate data (one variable only) down to Output Area (OA) level, where possible. Multivariate data (more than one variable) will be released in early 2023.
Publications
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Welsh language, Wales: Census 2021
The ability of usual residents aged three years and over living in Wales to understand spoken Welsh, and to speak, read or write Welsh, Census 2021 data.
Data
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Welsh skills (speaking) and resident age, Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their ability to speak Welsh by age. The estimates are as at Census Day, 21 March 2021.
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Welsh skills (detailed), Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their overall Welsh language skills. The estimates are as at Census Day, 21 March 2021.
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Welsh skills (understanding), Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their ability to understand Welsh. The estimates are as at Census Day, 21 March 2021.
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Welsh skills (reading), Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their ability to read Welsh. The estimates are as at Census Day, 21 March 2021.
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Welsh skills (speaking), Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their ability to speak Welsh. The estimates are as at Census Day, 21 March 2021.
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Welsh skills (writing), Wales: Census 2021
Census 2021 estimates that classify usual residents in Wales by their ability to write Welsh. The estimates are as at Census Day, 21 March 2021.
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Welsh language skills (detailed)
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Welsh language skills (speaking)
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Welsh language skills (writing)
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Welsh language skills (reading)
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Welsh language skills (understanding)
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Welsh language skills (speaking) by single year of age
Methodology
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Welsh language quality information for Census 2021
Quality information affecting Welsh language data from Census 2021 to help correctly interpret them.
You might also be interested in:
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Welsh language in Wales: Census 2021
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Chief Statistician’s update: understanding the latest Census 2021 data about the Welsh language
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Topic summaries
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Census maps
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Census 2021 dictionary
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Quality and methodology information (QMI) for Census 2021
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Maximising the quality of Census 2021 population estimates
The United Kingdom Statistics Authority has designated these statistics as National Statistics, in accordance with the Statistics and Registration Service Act 2007 and signifying compliance with the Code of Practice for Official Statistics.
Designation can be broadly interpreted to mean that the statistics:
- meet identified user needs
- are well explained and readily accessible
- are produced according to sound methods
- are managed impartially and objectively in the public interest
Once statistics have been designated as National Statistics it is a statutory requirement that the Code of Practice shall continue to be observed.