This is the overall picture over the course of this year, from the Opinium polling series - YouGov and other pollsters have similar.

The big Tory lead opens up further and then slams shut post-Cummingsgate

You know this already.

https://www.politics.co.uk/comment-analysis/2020/10/28/polling-deep-dive-shows-labour-taking-first-steps-towards-po
But look at Conservative voters from the last election. As you can see below, their support for the Tories is fading - but Labour is making little headway.

Instead, these voters are increasingly heading to the 'Don't Know' column. https://www.politics.co.uk/comment-analysis/2020/10/28/polling-deep-dive-shows-labour-taking-first-steps-towards-po
Now let's look at Leave voters. Same story: Labour making little headway - instead Leave voters are increasingly unsure about either party, having mostly backed Johnson last time out. https://www.politics.co.uk/comment-analysis/2020/10/28/polling-deep-dive-shows-labour-taking-first-steps-towards-po
So where *is* Labour making headway?

Well, among Remainers and Lib Dems, unsurprisingly. But also look at this.

This is one of the key age brackets for Labour - 45-54-year olds. Labour is rallying with these middle-aged voters. https://www.politics.co.uk/comment-analysis/2020/10/28/polling-deep-dive-shows-labour-taking-first-steps-towards-po
And here are voters in seats Labour has lost since 2005. The margin of error is larger than with headline polls, but you can see the trend over time: Labour up, Tories down. https://www.politics.co.uk/comment-analysis/2020/10/28/polling-deep-dive-shows-labour-taking-first-steps-towards-po
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