SurveyUSA comes out ahead on 6 of 6 measures in the Crosstab Trust Index, which grades pollsters on how close their final polls came to actual results from 1998 to 2022.
| Measure | InsiderAdvantage | SurveyUSA |
|---|---|---|
| Trust Score | 28/100 | 82/100 ★ |
| Average error how far final polls missed the result | 4.6 pts | 4.2 pts ★ |
| Versus expected error compared with what its races predicted | 0.3 worse | 0.9 better ★ |
| Consistency random miss once its tilt is removed | ±4.6 pts | ±4.2 pts ★ |
| Historical bias closer to even is better | D+0.3 | Even ★ |
| Winners called | 62% | 87% ★ |
| Track record final polls analyzed, 1998–2022 | 94 polls | 698 polls |
| 2026 polls | 14 | 4 |
| 2026 lean versus other polls of the same races | R+0.8 | — |
| Race | InsiderAdvantage (latest) | SurveyUSA (latest) |
|---|---|---|
| Minnesota Senate | Flanagan 46, Tafoya 45 (R+1.2 vs. avg) | Flanagan 42, Tafoya 42 (R+4.2 vs. avg) |
Compare them in the interactive Trust Index All pollster ratings
More comparisons: InsiderAdvantage vs. YouGov · SurveyUSA vs. YouGov · Emerson College vs. InsiderAdvantage · Emerson College vs. SurveyUSA · InsiderAdvantage vs. University of New Hampshire Survey Center · SurveyUSA vs. University of New Hampshire Survey Center · InsiderAdvantage vs. New York Times/Siena College · New York Times/Siena College vs. SurveyUSA
SurveyUSA has the smaller average error (4.2 pts vs. 4.6 pts). Overall, surveyUSA comes out ahead on 6 of 6 measures in the Crosstab Trust Index (InsiderAdvantage: C, Trust Score 28; SurveyUSA: A, Trust Score 82).
Yes: 1 race in Crosstab's data, including Minnesota Senate.
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.