15th May 2017 Poll Results

In a week when the eagerly awaited but already much discussed manifesto’s drop, Theresa May can head into it confident that her poll lead is largely impregnable. While other polls of late have seen Labour increase its share into the 30s, (beyond the share that both Gordon Brown and Ed Miliband secured), ICM still puts Jeremey Corbyn’s party on 28% (which is up one-point compared to the Guardian’s last poll earlier this month.

The question as to why ICM has consistently lower Labour shares than other pollster is fairly easy to identify – our turnout weighting mechanism is doing exactly the job we intended it to, reducing the power in the sample of those historically less likely to vote in General Elections, and doing the reverse for those typically most likely to vote. Other methodological adjustments do, of course, leave their own imprint – sometimes underpinning and sometimes counter-balancing the turnout weight, but turnout weighting is undoubtedly pivotal to our headline numbers.

The numbers for publication are:

Conservative 48% (-1)

Labour 28% (+1)

Liberal Democrat 10% (+1)

UKIP 6% (nc)

Green 3% (nc)

SNP 4% (nc)

PC *% (nc)

Other 1% (nc)

Other questions probed the importance of various challenges for the next government. The problem for policy-makers is encapsulated in questions like these, where pretty much everyone thinks everything is important. The NHS (89%), managing the economy (88%), protection from threats (84%) and Brexit negotiations (81%) top the list, but with the lowest scoring area (surprisingly, controlling immigration at 69%) there’s not much separation.

However, in a chink of light for Jeremey Corbyn, he is trusted to do a better job on three of them compared to Theresa May: on making a fairer Britain, protecting the NHS and improving the quality of public services. It is only a chink though ,as the gap on those three between the two leaders is marginal, and May leads by a distance on other matters including  the economy, Brexit negotiations, protecting the public and immigration.

ICM Unlimited interviewed a representative online sample of 2,030 adults aged 18+ on 12-14th May 2017. Interviews were conducted across the country and the results have been weighted to the profile of all adults. ICM is a member of the British Polling Council and abides by its rules.

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