Dataset - UK Data Service CKAN

England and Wales Census 2021 - RM150: Ability to speak Welsh by national ide...

This dataset provides Census 2021 estimates that classify usual residents in Wales aged 3 years and over in Wales by ability to speak Welsh, by national identity, and by age....
- XLSX
- CSV
- JSON
England and Wales Census 2021 - RM111: Proficiency in English by age

This dataset provides Census 2021 estimates that classify usual residents aged 3 years and over in England and Wales by proficiency in English and by age. The estimates are as...
- XLSX
- CSV
- JSON

You can also access this registry using the API (see API Docs).