Pollster ratings · Head to head

Ipsos vs. NYT/Siena: which pollster is more accurate?

NYT/Siena 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
The New York Times/Siena College
A+
Trust Score 84/100 · rank #3

Head to head

MeasureIpsosNYT/Siena
Trust Score60/10084/100 ★
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 worse0.8 better ★
Consistency
random miss once its tilt is removed
±4 pts±3.9 pts ★
Historical bias
closer to even is better
D+2.4D+1.3 ★
Winners called73% ★69%
Track record
final polls analyzed, 1998–2022
175 polls92 polls
2026 polls1423
2026 lean
versus other polls of the same races
—R+1

Compare them in the interactive Trust Index All pollster ratings

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

Frequently asked questions

Which is more accurate, Ipsos or NYT/Siena?

NYT/Siena has the smaller average error (4.1 pts vs. 4.7 pts). Overall, nYT/Siena comes out ahead on 5 of 6 measures in the Crosstab Trust Index (Ipsos: B+, Trust Score 60; NYT/Siena: A+, Trust Score 84).

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.