Pollster ratings · Crosstab Trust Index

Research Co. A-

Trust Score 68/100, rank #15 of 72 (medium confidence; grade held in 63% of 400 resamples, plausible rank #4–44). Highly accurate.

Average error
4
points, vs. 4.5 expected for its races
Versus other pollsters, same races
0.5 better
points
Historical bias
D+1
which way its misses leaned
Winners called
86%
58 polls, 2018–2022

How Research Co. compares

Trust Score percentile78th (median 49)
Accuracy versus expected65th percentile
Random miss (consistency)±3.9 pts
MethodOnline Panel
Transparency score6/10

Average error by election cycle

CyclePollsAvg errorBias
2018214.1R+1.1
2020145.2D+5.2
202121.9D+1.9
2022213.4even

Open Research Co. in the interactive Trust Index All pollster ratings

Frequently asked questions

Is Research Co. accurate?

Research Co. is rated A- in the Crosstab Trust Index (Trust Score 68 of 100, rank 15 of 72, medium confidence). Its final polls missed the actual margin by 4 points on average, against 4.5 expected for the races it polled, and it called the winner in 86% of races.

Does Research Co. lean Republican or Democratic?

Historically, Research Co.'s misses leaned D+1 on average. Lean describes how its numbers compare; it isn't an accusation of bias.

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.