All figures, unless otherwise stated, are from research conducted by YouGov Plc. Total sample size was 3,564 adults, including oversamples in Scotland (n=514) and Wales (n=507). The figures have been weighted and are representative of all UK adults (aged 18+). Fieldwork was undertaken between 22nd July – 4th August 2021. The survey was carried out online.

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Regression analysis was conducted by Headland Consultancy. Dependent variables were coded ordinally in a linear regression with “don’t know” responses discarded from the model. Independent variables are as indicated, including ordinal demographic controls (age (5 categories), gender (2 categories), social grade (4 categories), education level (4 categories), ethnicity (2 categories)). Effect sizes, adjusted R2 and standard error values are as shown on the charts. Further details of the models is available on request.