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Glengariff Group

18 scored general-election polls (2014–2022) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2022 4 4.1 pts R+0.6 100%
2020 4 5.6 pts D+5.6 100%
2018 4 6.7 pts D+6.7 100%
2016 2 9.5 pts D+9.5 0%
2014 4 2.7 pts R+1.8 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-10-27 MI Governor D+8.6 D+10.5 1.9 ✓
2022-10-19 MI-7 House D+5.7 D+5.4 0.3 ✓
2022-10-05 MI-10 House R+7.9 R+0.5 7.4 ✓
2022-09-28 MI Governor D+17.3 D+10.5 6.8 ✓
2020-10-24 MI Senate D+9.6 D+1.7 7.9 ✓
2020-10-24 MI President D+7.7 D+2.8 4.9 ✓
2020-10-02 MI Senate D+5.4 D+1.7 3.7 ✓
2020-10-02 MI President D+8.8 D+2.8 6.0 ✓
2018-10-26 MI Governor D+12.5 D+9.6 2.9 ✓
2018-10-26 MI Senate D+16.7 D+6.5 10.2 ✓
2018-10-01 MI Governor D+11.6 D+9.6 2.0 ✓
2018-10-01 MI Senate D+18.0 D+6.5 11.5 ✓
2016-10-10 MI President D+11.6 R+0.2 11.8 ✗
2016-09-27 MI President D+7.0 R+0.2 7.2 ✗
2014-10-23 MI Governor R+5.0 R+4.1 0.9 ✓
2014-10-23 MI Senate D+15.1 D+13.3 1.8 ✓
2014-10-03 MI Governor R+8.0 R+4.1 3.9 ✓
2014-10-03 MI Senate D+9.0 D+13.3 4.3 ✓

Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.

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