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EPIC-MRA

27 scored general-election polls (2014–2024) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2024 1 0.4 pts D+0.4 100%
2022 4 1.7 pts D+1.7 100%
2020 8 4.5 pts D+4.5 100%
2018 4 5.8 pts D+2.7 100%
2016 4 6.5 pts D+6.5 0%
2014 6 2.7 pts R+1.4 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2024-08-26 MI President R+1.0 R+1.4 0.4 ✓
2022-10-30 MI Governor D+11.0 D+10.5 0.5 ✓
2022-10-09 MI Governor D+11.0 D+10.5 0.5 ✓
2022-09-17 MI Governor D+16.0 D+10.5 5.5 ✓
2022-09-10 MI Governor D+11.0 D+10.5 0.5 ✓
2020-10-27 MI Senate D+5.0 D+1.7 3.3 ✓
2020-10-27 MI President D+7.0 D+2.8 4.2 ✓
2020-10-17 MI Senate D+6.0 D+1.7 4.3 ✓
2020-10-17 MI President D+9.0 D+2.8 6.2 ✓
2020-10-10 MI Senate D+6.0 D+1.7 4.3 ✓
2020-10-10 MI President D+9.0 D+2.8 6.2 ✓
2020-09-12 MI Senate D+4.0 D+1.7 2.3 ✓
2020-09-12 MI President D+8.0 D+2.8 5.2 ✓
2018-10-20 MI Governor D+5.0 D+9.6 4.6 ✓
2018-10-20 MI Senate D+7.0 D+6.5 0.5 ✓
2018-09-23 MI Governor D+8.0 D+9.6 1.6 ✓
2018-09-23 MI Senate D+23.0 D+6.5 16.5 ✓
2016-11-02 MI President D+4.0 R+0.2 4.2 ✗
2016-10-23 MI President D+7.0 R+0.2 7.2 ✗
2016-10-02 MI President D+11.0 R+0.2 11.2 ✗
2016-09-12 MI President D+3.0 R+0.2 3.2 ✗
2014-10-27 MI Governor R+2.0 R+4.1 2.1 ✓
2014-10-27 MI Senate D+15.0 D+13.3 1.7 ✓
2014-10-18 MI Governor R+8.0 R+4.1 3.9 ✓
2014-10-18 MI Senate D+11.0 D+13.3 2.3 ✓
2014-09-27 MI Governor R+6.0 R+4.1 1.9 ✓
2014-09-27 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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