Postal Ballots and Survey Bias

After the 2019 General Election, claims spread that postal voting had surged.

These claims are false. Electoral Commission statistics shows postal voting fell between 2017 and 2019.

The claim originated from an Ashcroft-badged post-election survey. These surveys overestimate postal voting. This systematic error arises due to the survey’s design.

A survey estimate of 38%

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