Pollster ratings · Head to head

Ipsos vs. Suffolk: which pollster is more accurate?

Suffolk comes out ahead on 5 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.

 
Ipsos
B+
Trust Score 60/100 · rank #28
★ Ahead
Suffolk University
A-
Trust Score 68/100 · rank #16

Head to head

MeasureIpsosSuffolk
Trust Score60/10068/100 ★
Average error
how far final polls missed the result
4.7 pts4.1 pts ★
Versus expected
error compared with what its races predicted
0.1 worse0.7 better ★
Consistency
random miss once its tilt is removed
±4 pts±4 pts
Historical bias
closer to even is better
D+2.4D+1.5 ★
Winners called73%81% ★
Track record
final polls analyzed, 1998–2022
175 polls60 polls
2026 polls1514
2026 lean
versus other polls of the same races
—D+1.3

Compare them in the interactive Trust Index All pollster ratings

More comparisons: Ipsos vs. YouGov · Suffolk University vs. YouGov · Emerson College vs. Ipsos · Emerson College vs. Suffolk University · Ipsos vs. University of New Hampshire Survey Center · Suffolk University vs. University of New Hampshire Survey Center · Ipsos vs. New York Times/Siena College · New York Times/Siena College vs. Suffolk University

Frequently asked questions

Which is more accurate, Ipsos or Suffolk?

Suffolk has the smaller average error (4.1 pts vs. 4.7 pts). Overall, suffolk comes out ahead on 5 of 6 measures in the Crosstab Trust Index (Ipsos: B+, Trust Score 60; Suffolk: A-, Trust Score 68).

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.