Survey of Members of Parliament May 2025

Conducted by Survation on behalf of Economic Change Unit

Methodology

Fieldwork Dates

Data Weighting

23rd April - 13th May 2025

Data were statistically weighted to approximate the profile of all UK MPs. Data were weighted by political party affiliation.

Weighting targets were derived from the electoral results.

Data Collection Method

The survey was conducted via online interview.

Margin of Error

Because only a sample of the full population was interviewed, all results are subject to margin of error, meaning that not all differences are statistically significant.

Population Sampled

For example, in a question where 50% (the worst case scenario as far as margin of error is concerned) gave a particular answer, with the sample of 100 it is 95% certain that the ‘true’ value will fall within the range of 10.28% from the sample result.

United Kingdom Members of Parliament

Subsamples from the cross-breaks will be subject to higher margin of error, conclusions drawn from crossbreaks with very small sub-samples should be treated with caution.

Sample Size

Question presentation

100

All data tables shown in full below, in order and wording put to respondents, including but not limited to all tables relating to published data and all relevant tables preceding them.

Tables for demographic questions might not be included but these should be clear from the cross-breaks on published tables.

In all questions where the responses are a list of parties, names or statements, these will typically have been displayed to respondents in a randomising order.

The only questions which would not have had randomising responses would be those in which there was a natural order to maintain

– e.g. a scale from “strongly favourable” to “strongly unfavourable”, a list of numbers from 0 to 10 or questions which had factual rather than opinion-related answers such as demographic information. “Other”, “Don't know” and “Refused” responses are not randomised.

Not all questions will have necessarily been asked to all respondents – this is because they may be follow-on questions from previous questions or only appropriate to certain demographic groups.

Lower response counts should make clear where this has occurred.

Data were analysed and weighted by Survation.

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http://www.britishpollingcouncil.org

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