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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Also known as Opinion Savvy
Polls analyzed182
Races called correctly69%
Most recent cycle2022
Affiliated with AAPOR/RoperNo
Other namesOpinion Savvy
What are pollster ratings?

How accurate are the polls from InsiderAdvantage?

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