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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EMC Research

Also known as Hamilton Beattie or Hamilton Campaigns
Polls analyzed15
Races called correctly63%
Most recent cycle2020
Affiliated with AAPOR/RoperNo
Other namesHamilton Beattie
Hamilton Campaigns
What are pollster ratings?

How accurate are the polls from EMC 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