2 final polls from 2018 to 2018 (average error 1 points): too few to grade. Crosstab grades every 2026 pollster on its own results after Election Day.
2 polls this cycle.
| Date | Poll | Result | vs. other polls |
|---|---|---|---|
| 10-19 | Michigan Senate | El-Sayed 48, Rogers 45.5 | even |
| 10-19 | Michigan Governor | Benson 53.3, James 40.9 | D+5.1 |
States polled: Michigan.
Open Michigan State University Institute for Public Policy and Social Research in the interactive Trust Index All pollster ratings
Michigan State University Institute for Public Policy and Social Research has 2 final polls in the 1998–2022 results data, too few to receive a grade (at least 20 graded polls are needed). Its average error was 1 points.
Historically, Michigan State University Institute for Public Policy and Social Research's misses leaned R+0.5 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
2 polls in Crosstab's data, including Michigan Senate, Michigan Governor.
Grades: Crosstab Trust Index, computed from FiveThirtyEight's pollster-ratings data (CC BY 4.0), 1998–2022; 2026 measures from Crosstab's polling data.
Updated 2026-11-11 · Crosstab, nonpartisan polling analysis.