Data sources

We use verifiable data sources in order to present accurate and trustworthy information.  If you have a question about the data sources we use, please get in touch.

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Candidate information supplied by the Democracy Club.

By-Election Results

Copeland – Copeland Council

Stoke-on-Trent Central – City of Stoke-on-Trent (No official statement of the result was available)

Sleaford and North Hykeham – North Kesteven District Council

Richmond Park – London Borough of Richmond upon Thames

Witney – West Oxfordshire District Council

Batley and Spen – Kirklees Council

Tooting – Wandsworth Council

Ogmore – Bridgend County Borough Council (No official statement of the result was available)

Sheffield Brightside and Hillsborough – Sheffield City Council

Oldham West and Royton – Oldham Council

EU Referendum

These are mainly estimates only, taken from Chris Hanretty’s constituency-level estimates for the European referendum. We are using his third version of the results, taken from “Areal interpolation and the UK’s referendum on EU membership”, Chris Hanretty, Journal Of Elections, Public Opinion And Parties, http://dx.doi.org/10.1080/17457289.2017.1287081

This version includes the ward-level results obtained by the BBC.

European Union (Notification of Withdrawal) Act 2017

Full proceedings of the passage of the bill which authorised the triggering of Article 50, including the parliamentary record of how each MP voted on the bill.