11 final polls from 2012 to 2022 (average error 2.3 points): too few to grade. Crosstab grades every 2026 pollster on its own results after Election Day.
4 polls this cycle.
| Date | Poll | Result | vs. other polls |
|---|---|---|---|
| 09-16 | Trump approval | Approve 38, Disapprove 62 | |
| 09-16 | Generic ballot | Democrats 54, Republicans 41 | |
| 09-09 | Trump approval | Approve 37, Disapprove 63 | |
| 08-05 | Generic ballot | Democrats 51, Republicans 45 |
Open Marquette University Law School in the interactive Trust Index All pollster ratings
Marquette University Law School has 11 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 2.3 points.
Historically, Marquette University Law School's misses leaned D+0.8 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
4 polls in Crosstab's data, including Trump approval, Generic ballot.
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 2026-10-04 · Crosstab, nonpartisan polling analysis.