ICM’s final Guardian poll of the year has topline figures of CON 37%(+1), LAB 39%(+1), LDEM 13%(-1). Changes are from a month ago, but there is no significant change.
The small Labour lead over the Conservatives is now consistent across all the pollsters – the differences between the different companies remains the Lib Dems and, in some cases the others. ICM normally show the highest level of Lib Dem support, YouGov the lowest – a big chunk of the difference is normally down to the reallocation of don’t knows. ICM and Populus reallocate some of the people who say they don’t know how they’d vote in an election tomorrow to the party they voted for last time, currently this tends to increase the reported level of Lib Dem support by a couple of points since, as you’d expect, there are a significant chunk of Lib Dem voters out there who say they aren’t sure what they’d do in an election.