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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The Justice Collaborative Institute

Pollsters with a relatively small number of polls now receive a provisional rating rather than a precise letter grade.
B/C
Polls analyzed2
Races called correctly100%
Most recent cycle2020
Affiliated with professional polling organization (NCPP/AAPOR/Roper)No

How accurate are the polls from The Justice Collaborative Institute?

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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