ICM Unlimited interviewed a representative online sample of 2,007 adults aged 18+, between 24th – 28th May 2019. Interviews were conducted across Great Britain and the results have been weighted to the profile of all adults in Britain.
Data weighting: Data were weighted to the profile of all adults aged 18+. Data were weighted by sex, age, social class, household tenure, work status and region. Additional weights have been applied on EU referendum 2016 vote, general election 2017 vote and EU Parliament 2019 vote.
All polls are subject to a wide range of potential sources of error. On the basis of the historical record of the polls at recent general elections, there is a 9 in 10 chance that the true value of a party’s support lies within 4 points of the estimates provided by a poll, and a 2 in 3 chance that they lie within 2 points
ICM is a member of the British Polling Council and abides by its rules.
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The report can be downloaded by clicking here
The data tables can be downloaded by clicking here