• The statistical methods and techniques that underpin all our surveys and statistical outputs, and information on statistical quality and revisions policies.

  • The framework of territorial units, boundaries and maps that provide the structure for collecting, processing, storing and aggregating data.

  • Statistical classifications provide a set of related categories in a meaningful, systematic and standard format.

  • Methodology publications and other useful information relating to each statistical theme.

  • Advice and support on all aspects of statistical methodology.

  • Information on using official statistics produced by or for government departments or devolved administrations.