Pollster ratings · Head to head

Trafalgar vs. UNH: which pollster is more accurate?

Trafalgar comes out ahead on 4 of 7 measures in the Crosstab Trust Index, which grades pollsters on how close their final polls came to actual results from 1998 to 2022.

★ Ahead
Trafalgar Group
B-
Trust Score 48/100 · rank #38
 
University of New Hampshire Survey Center
D
Trust Score 16/100 · rank #69

Head to head

MeasureTrafalgarUNH
Trust Score48/100 ★16/100
Average error
how far final polls missed the result
4.2 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
±3.4 pts ★±5.5 pts
Historical bias
closer to even is better
R+3D+2.5 ★
Winners called59%82% ★
Track record
final polls analyzed, 1998–2022
98 polls116 polls
2026 polls1331
2026 lean
versus other polls of the same races
R+1.3D+0.5 ★

2026 races both have polled

RaceTrafalgar (latest)UNH (latest)
Maine SenateJackson 46, Collins 46 (R+1.1 vs. avg)Jackson 51, Collins 47 (D+1.5 vs. avg)
New Hampshire SenatePappas 47, Sununu 41 (even vs. avg)Pappas 50, Sununu 42 (D+3 vs. avg)

Compare them in the interactive Trust Index All pollster ratings

More comparisons: University of New Hampshire Survey Center vs. YouGov · Trafalgar Group vs. YouGov · Emerson College vs. University of New Hampshire Survey Center · Emerson College vs. Trafalgar Group · 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 · Ipsos vs. University of New Hampshire Survey Center

Frequently asked questions

Which is more accurate, Trafalgar or UNH?

Trafalgar has the smaller average error (4.2 pts vs. 6 pts). Overall, trafalgar comes out ahead on 4 of 7 measures in the Crosstab Trust Index (Trafalgar: B-, Trust Score 48; UNH: D, Trust Score 16).

Which leans more Republican in 2026, Trafalgar or UNH?

Trafalgar (R+1.3 versus other polls of the same races) compared with UNH (D+0.5). Lean describes how a pollster's numbers compare with others; it isn't a measure of accuracy.

Have Trafalgar and UNH polled the same 2026 races?

Yes: 2 races in Crosstab's data, including Maine Senate, New Hampshire 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.