Michigan State University Institute for Public Policy and Social Research
3 scored general-election polls (2016–2018) , each measured against the certified result. How to read these numbers: methodology.
Record by cycle
Every scored poll
| Date | Race | Poll Margin | Actual | Error | Called It |
|---|---|---|---|---|---|
| 2018-10-17 | MI Governor | D+8.0 | D+9.6 | 1.6 | ✓ |
| 2018-10-17 | MI Senate | D+7.0 | D+6.5 | 0.5 | ✓ |
| 2016-10-01 | MI President | D+19.0 | R+0.2 | 19.2 | ✗ |
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.