PUBLISHED Mar. 25, 2021, at 10:00 AM

FiveThirtyEight’s Pollster Ratings

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

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Princeton Survey Research Associates International

Pollsters with a relatively small number of polls now receive a provisional rating rather than a precise letter grade.
A/B
Polls analyzed35
Races called correctly66%
Most recent cycle2014
Affiliated with professional polling organization (NCPP/AAPOR/Roper)Yes

How accurate are the polls from Princeton Survey Research Associates International?

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

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