Office for National Statistics

Returns the geography levels a population type can be tabulated at, from England and Wales down to output areas, each with its id, label and how many areas it contains.

Returns Census 2021 counts for a population type, cross-tabulated by the requested variables at the requested geography level, each row naming its dimension options and the count.

Returns the editions of one code list, each with its edition name and a link to the codes it contains.

Returns every classification code list ONS publishes, each with its id and links to its editions and codes.

Returns the codes of one code list edition, each with its code, human label and a link to the datasets that use it.

Returns one dataset's record: title, description, keywords, national-statistic flag, release frequency, contact details, licence and links to its editions and latest version.

Returns the catalogue of ONS published datasets, each with id, title, description, keywords, contacts, release frequency and a link to its latest version.

Returns the valid option codes and labels for one dimension of a dataset version, each linked to its entry in the underlying code list.

Returns the dimensions of one dataset version, each with its label, its options endpoint and the code list that defines its values.

Returns one edition of a dataset, with its internal id and an explicit pointer to the current latest version number.

Returns the editions of one dataset, each with its edition name and a link to the current latest version of that edition.

Returns the actual observation values of a dataset version for one combination of dimension options, with the unit of measure and the total observation count.

Returns the census variables that can be crossed for one population type, each with its id, label, category count and a long plain-English description.

Returns the census population bases available for Census 2021 tabulation, each with its short name, label, description and whether it is microdata or tabular.

Searches ONS published content and returns scored results with title, summary, release date, content type and URI, alongside topic and content-type facet counts.

Returns the statistical metadata of one dataset version: dimension list, unit of measure, release date and frequency, methodology and quality-statement links, licence, and the CSV/XLSX download URLs with their byte sizes.

Returns every published version of one dataset edition, each with its version number, release date, any correction or alert notices, and download links.