In a unique survey, Ipsos MORI will be interviewing a longitudinal panel of respondents on their attitudes to immigration throughout and after the election campaign.



This will provide a much more detailed understanding of how and why views change.



For the first wave we have also interviewed an unusually large sample of the public (over 4,500), which allows us to look at smaller sub-groups, including followers of all key parties and those who have switched parties since the last election.