{"metric":"census_ethnicity_by_age_2021","title":"Census 2021 ethnic group by age band","topic":"migration","unit":"people","measure_type":"count","geography":"K04000001","comparison_method":"previous_release","latest":{"period_start":"2021-03-21","period_end":"2021-03-21","period_label":"Census 2021","value":59597548,"status":"final","vintage":"2026-09-02"},"source":{"publisher":"ONS","publication":"Census 2021 RM032 - Ethnic group by sex by age (Nomis)","landing_url":"https://www.nomisweb.co.uk/datasets/c2021rm032","sheet":"NM_2132_1","table":"RM032 - Ethnic group by sex by age","row":"England and Wales","column":"C2021_ETH_20=Total; C2021_AGE_6=Total; C_SEX=All persons","raw_value":"59597548","file_url":"https://www.nomisweb.co.uk/api/v01/dataset/NM_2132_1.data.csv?geography=TYPE499%2CTYPE424&measures=20100&c_sex=0&RecordLimit=25000&RecordOffset=0","file_sha256":"a00f5babdc6bc199c97d78db54296c3d6bd7521c3c1a6aac8e5f9e0d4f63c88d","release_date":"2026-09-02","release_label":"Census 2021 table released 2026-09-02"},"definition":"Usual residents on Census Day 2021 by ethnic group (the 24 broad and detailed groups of table RM032) and by five age bands (24 and under, 25 to 34, 35 to 49, 50 to 64, 65 and over), all persons, from Census 2021 ready-made table RM032. The dimension value is \"<ethnic group> | <age band>\"; \"Total\" in either position is the published marginal row.","does_not_measure":"Single years of age, sex splits (only \"All persons\" is stored), or the TS021 totals, which are perturbed separately and differ by a few people.","links":{"page":"/migration/census-ethnicity-by-age-2021","series":"/api/metrics/census_ethnicity_by_age_2021/series","vintages":"/api/metrics/census_ethnicity_by_age_2021/vintages"}}