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10 scored general-election polls (2014–2018) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2018 2 4.2 pts R+3.3 100%
2014 8 3.7 pts D+0.3 71%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2018-10-07 RI Governor D+8.0 D+15.5 7.5 ✓
2018-10-07 RI Senate D+24.0 D+23.1 0.9 ✓
2014-10-28 MA Governor R+7.0 R+1.9 5.1 ✓
2014-10-20 MA Governor R+9.0 R+1.9 7.1 ✓
2014-10-13 MA Governor Even R+1.9 1.9 —
2014-10-06 MA Governor D+5.0 R+1.9 6.9 ✗
2014-09-29 MA Governor R+3.0 R+1.9 1.1 ✓
2014-09-22 MA Governor R+2.0 R+1.9 0.1 ✓
2014-09-15 MA Governor D+3.0 R+1.9 4.9 ✗
2014-09-15 MA Senate D+26.0 D+23.9 2.1 ✓

Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.

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Data updated regularly from public polling sources.

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