8 final polls from 2016 to 2021 (average error 2.2 points): too few to grade. Crosstab grades every 2026 pollster on its own results after Election Day.
1 poll this cycle.
| Date | Poll | Result | vs. other polls |
|---|---|---|---|
| 10-05 | Maine Governor | Pingree 49, Charles 36 | D+2.2 |
States polled: Maine.
Open The Washington Post/George Mason University Schar School of Policy and Government in the interactive Trust Index All pollster ratings
The Washington Post/George Mason University Schar School of Policy and Government has 8 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 2.2 points.
Historically, The Washington Post/George Mason University Schar School of Policy and Government's misses leaned D+0.9 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
1 poll in Crosstab's data, including Maine 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 2026-10-09 · Crosstab, nonpartisan polling analysis.