Overview

Commons Library researchers publish data on a range of topics. We present our data as interactive dashboards, maps and in-depth briefings, and provide datasets for download.

We openly share our published data on this website, and encourage free and flexible re-use under the conditions of the Open Parliament Licence.

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Headline statistics for your constituency

Use our interactive dashboards to explore data for parliamentary constituencies, covering topics such as demographics, unemployment and child poverty.

More research

  • Briefings

    Politically impartial publications produced by Commons Library researchers, covering legislation, policy areas and topical issues.

    Closeup of the edge of open book pages.
  • Casework

    FAQs and explainers produced by Commons Library researchers to help caseworkers with a range of constituent queries.

  • All briefings

    Impartial Commons Library briefings going back to 1993, covering parliamentary bills, Commons debates, topical issues and policy.

For MPs and their staff

Data for developers

  • Parliamentary APIs

    A directory of open data APIs which allow parliamentary data to be shared publicly. Topics include Commons and Lords votes, Oral and Written Questions and more.

  • Statutory instruments and treaties

    A library of queries for data on parliamentary scrutiny of statutory instruments proposed negative statutory instruments and treaties.