Pollster ratings · Head to head

Ipsos vs. UNH: which pollster is more accurate?

Ipsos 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.

★ Ahead
Ipsos
B+
Trust Score 60/100 · rank #28
 
University of New Hampshire Survey Center
D
Trust Score 16/100 · rank #69

Head to head

MeasureIpsosUNH
Trust Score60/100 ★16/100
Average error
how far final polls missed the result
4.7 pts ★6 pts
Versus expected
error compared with what its races predicted
0.1 worse ★0.8 worse
Consistency
random miss once its tilt is removed
±4 pts ★±5.5 pts
Historical bias
closer to even is better
D+2.4 ★D+2.5
Winners called73%82% ★
Track record
final polls analyzed, 1998–2022
175 polls116 polls
2026 polls1431
2026 lean
versus other polls of the same races
—D+0.5

Compare them in the interactive Trust Index All pollster ratings

More comparisons: University of New Hampshire Survey Center vs. YouGov · Ipsos vs. YouGov · Emerson College vs. University of New Hampshire Survey Center · Emerson College vs. Ipsos · New York Times/Siena College vs. University of New Hampshire Survey Center · Beacon Research/Shaw & Co. Research vs. University of New Hampshire Survey Center · Rasmussen Reports vs. University of New Hampshire Survey Center · InsiderAdvantage vs. University of New Hampshire Survey Center

Frequently asked questions

Which is more accurate, Ipsos or UNH?

Ipsos has the smaller average error (4.7 pts vs. 6 pts). Overall, ipsos comes out ahead on 5 of 6 measures in the Crosstab Trust Index (Ipsos: B+, Trust Score 60; UNH: D, Trust Score 16).

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.