UPDATED Mar. 13, 2023, at 3:53 PM

FiveThirtyEight’s Pollster Ratings

Based on the historical accuracy and methodology of each polling organization’s polls.

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Impact Research

Also known as Anzalone Liszt Research, Anzalone Liszt Grove or ALG Research
Polls analyzed21
Races called correctly60%
Most recent cycle2022
Affiliated with AAPOR/RoperNo
Other namesAnzalone Liszt Research
Anzalone Liszt Grove
ALG Research
What are pollster ratings?

How accurate are the polls from Impact Research?

Polls conducted within 21 days of an election (based on the poll’s median date) are used to determine the pollster’s grade.
How this works