Sources
Every figure on this site links to a published government source. This page lists the primary datasets.
Primary data sources
Census 2021
Single year of age by ethnic group by sex. Custom dataset from ONS. 292 local authorities, 116MB.
ons.gov.uk/censusCensus 2011
18-group ethnicity by age by sex via NOMIS API. Used as baseline for CCR computation.
nomisweb.co.ukONS SNPP 2022
Subnational Population Projections. Used as total population envelope constraint for the HP model.
ons.gov.ukDfE School Census
Pupil ethnicity by school and local authority, 2014/15 to 2024/25. Independent validation for ages 0-15.
explore-education-statistics.service.gov.ukONS Births Table 8
Age-specific fertility rates by ethnicity and IMD decile. Used for empirical ethnic-specific TFRs.
ons.gov.ukHome Office Immigration Statistics
Asylum support by local authority, grant rates by nationality, detention and returns data.
gov.uk