Constituency and local area data
Browse and compare local-level data between constituencies and other small areas on topics such as housing, health, and energy.
On this page
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.
Browse by topic
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Parliament and elections data
Explore data and analysis about Parliament, MPs, general election and by-elections results, and the Government.
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Economic data
View data relating to the UK economy, including the labour market, trade, business, and public finances.
Browse by type
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Data dashboards
Interactive data dashboards on a range of topics, including the 2021 census, broadband speeds and fuel poverty.
Data for developers
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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.
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House of Commons Library on GitHub
Data analysis tools developed by Commons Library researchers for use in their research and shared as open-source software.
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Statutory instruments and treaties
A library of queries for data on parliamentary scrutiny of statutory instruments proposed negative statutory instruments and treaties.