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National legislatures are often called 'houses', 'senates' or 'chambers'.
The constituencies are the areas that members of the legislatures represent. They are described by electoral boundary files. Please tell us about these electoral boundary files.
Please be careful not to submit polling districts. Polling districts are the areas which define the catchment of a polling station and are usually smaller than the constituency.
Where constituencies are the same as administrative districts these can be accepted.
| Question | Answer | Comment |
|---|---|---|
| Available free online | Yes | |
| In an open format | Shapefile, KML | |
| Whole country | Yes | |
| electoral_districts_exist | Yes | |
| Collected by government | Office of National Statistics (ONS) | Official boundaries are agreed by Boundary Commissions in each country of the UK. Spatial data for constituency boundaries is produced by Ordnance Survey and Ordnance Survey of Northern Ireland. The combined UK boundary dataset is compiled and published by ONS. |
| assembly_needed | Yes | |
| characteristics | Name and/or ID of constituency, Polygon | |
| location | https://geoportal.statistics.gov.uk/datasets?q=PCON%20Bo - Office of National Statistics (ONS) | Westminster Parliamentary Constituencies are available from ONS in various resolutions and formats. |
| Available free of charge | Yes | |
| Available in bulk | Yes | |
| Up-to-date | Yes | |
| Legislative terms present | 2017-19 | |
| Openly licenced | Yes | |
| licence_url | https://www.ons.gov.uk/methodology/geography/licences | |
| Number of legislative bodies | Parliament of the United Kingdom |
Links to search result with multiple download options.