From Vox · Caitlin Dewey · · 2m
Polls show a blue wave, but elections aren't polls
Democrats lead in battleground Senate races, but polling has grown less reliable and late developments could still shift the outcome.
In brief
Democrats lead in battleground Senate races, but polling has grown less reliable and late developments could still shift the outcome. Democrats are favored to win the House and gain Senate seats, but polling limitations and unpredictable voter behavior mean the outcome is far from certain. Originally reported by Vox.
Democrats lead in final polls
The final New York Times/Siena polls released Sunday put Democrats ahead of Republicans in at least five of seven battleground states that will determine Senate control, including Kansas and Texas.
Trump acknowledges Republican struggles
President Donald Trump said during remarks on Election Day: "For some reason, the sitting president doesn't win the midterms. We gave this a very strong shot."
“For some reason, the sitting president doesn't win the midterms. We gave this a very strong shot.”
Polling has grown less reliable

Polling methodology has become increasingly difficult in recent years, as seen especially clearly in the 2016 and 2020 elections, making definitive predictions risky.
Who answers polls shapes the data
Poll respondents tend to be older, more educated, and more invested in politics. Poll-avoiders are often younger, less educated, and more likely to support Trump in recent contests.
Fewer late-cycle polls this year

Pollsters conducted fewer late-cycle surveys than in typical midterm cycles, meaning less data overall and potential failure to account for late-breaking developments like Democratic Rep.
Rural states pose polling challenges
Several close Senate contests are in rural states like Alaska, Maine, and Iowa, where reaching a representative mix of voters is especially difficult for pollsters.
Fear could drive Republican turnout
The fear of a liberal takeover could motivate large numbers of Republicans to vote, even if they have soured on Trump or planned to sit out this election.
Polls aren't the same as elections
Even if polls are right about a blue wave being likely, that does not mean it will actually happen. Winning a poll is not quite the same thing as winning an election.
“Polls just aren't the same thing as elections.”
Here's the gist
Democrats are favored to win the House and gain Senate seats, but polling limitations and unpredictable voter behavior mean the outcome is far from certain.




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