{"schemaVersion":"1.0","id":"londoners-by-age","dataset":"population","title":"9.1 million Londoners, by age","description":"Nine million people, arranged by the year they were born.","methodology":"Mid-year population estimates for Greater London from NOMIS, the ONS statistics service. Single years of age are fetched and bucketed into decades here, because aggregate age codes vary between NOMIS datasets while single years always mean what they say. Bars are scaled to the largest band rather than to an absolute axis.","category":"people","categoryLabel":"People","cadence":"census","placeholder":false,"landingPage":"https://londongraph.com/g/londoners-by-age","markdown":"https://londongraph.com/g/londoners-by-age/index.html.md","source":{"name":"ONS","url":"https://www.ons.gov.uk/","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"updatedAt":"2026-07-31T11:50:58.195Z","release":{"label":null,"publishedAt":null,"resourceUrl":null,"methodologyUrl":null,"sha256":null},"observations":[{"series":"female","buckets":["0–9","10–19","20–29","30–39","40–49","50–59","60–69","70–79","80+"],"values":[494827,500355,781591,793189,671107,565754,425680,270892,142029],"unit":"people","metadata":[{},{},{},{},{},{},{},{},{}]},{"series":"male","buckets":["0–9","10–19","20–29","30–39","40–49","50–59","60–69","70–79","80+"],"values":[519262,522735,752363,753502,617822,534294,393268,227192,100872],"unit":"people","metadata":[{},{},{},{},{},{},{},{},{}]}],"areaStatistics":null,"visualizations":[{"id":"overview","label":"Overview","description":"Nine million people, arranged by the year they were born.","url":"https://londongraph.com/g/londoners-by-age","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"composition","label":"Age composition","description":"Compare the contribution of every age band.","url":"https://londongraph.com/g/londoners-by-age?view=composition","renderer":"composition-bars","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null}],"availability":"observations","note":"The release is complete for the measures represented on the graph page."}