Dataset - UK Data Service CKAN

England and Wales Census 2021 - RM155: Family type by parents' ability to spe...

This dataset provides Census 2021 estimates that classify usually resident dependent children aged 3 years and over in families in Wales by family type, by the parents' ability...
- XLSX
- CSV
- JSON
England and Wales Census 2021 - RM034: Family status by number of parents wor...

This dataset provides Census 2021 estimates that classify usual residents aged 16 years and over in families with dependent children in England and Wales by family status, by...
- XLSX
- CSV
- JSON
England and Wales Census 2021 - TS017: Household size

This dataset provides Census 2021 estimates that classify usual residents in England and Wales by single year of age. The estimates are as at Census Day, 21 March 2021. Area...
- XLSX
- CSV
- JSON

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