Dataset - UK Data Service CKAN

England and Wales Census 2021 - RM067: Living arrangements by sex by age

This dataset provides Census 2021 estimates that classify usual residents aged 16 years and over in households in England and Wales by living arrangements, by sex, and by age....
- XLSX
- CSV
- JSON
England and Wales Census 2021 - RM147: Veterans by age

This dataset provides Census 2021 estimates that classify usual residents aged 16 years and over in England and Wales who have previously served in the UK armed forces by their...
- XLSX
- CSV
- JSON

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