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National Research

25 scored general-election polls (2014–2021) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2021 1 0.2 pts R+0.2 100%
2020 9 4.0 pts D+3.5 88%
2018 4 8.8 pts R+8.8 75%
2016 6 3.0 pts D+0.4 40%
2014 5 3.7 pts D+0.8 50%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2021-09-15 NJ Governor D+3.0 D+3.2 0.2 ✓
2021-01-02 GA Senate D+1.0 D+1.2 0.2 ✓
2021-01-02 GA Senate D+1.0 D+2.1 1.1 ✓
2020-10-14 GA Senate Even R+1.8 1.8 —
2020-10-14 GA President D+4.0 D+0.2 3.8 ✓
2020-10-07 IA Senate R+1.0 R+6.6 5.6 ✓
2020-10-07 IA President D+2.0 R+8.2 10.2 ✗
2020-10-06 MI-3 House R+7.0 R+5.9 1.1 ✓
2020-10-05 MI Senate D+8.0 D+1.7 6.3 ✓
2020-10-05 MI President D+9.0 D+2.8 6.2 ✓
2018-10-15 NJ Senate D+2.0 D+11.2 9.2 ✓
2018-10-08 NJ Senate D+2.0 D+11.2 9.2 ✓
2018-10-03 NJ-3 House R+4.0 D+1.3 5.3 ✗
2018-09-26 NJ-11 House D+3.0 D+14.6 11.6 ✓
2016-10-16 NC President D+2.0 R+3.7 5.7 ✗
2016-10-16 NC Senate R+7.0 R+5.7 1.3 ✓
2016-10-16 NC Governor R+4.0 D+0.2 4.2 ✗
2016-09-11 NC President Even R+3.7 3.7 —
2016-09-11 NC Senate R+5.0 R+5.7 0.7 ✓
2016-09-11 NC Governor R+2.0 D+0.2 2.2 ✗
2014-10-29 NC Senate Even R+1.6 1.6 —
2014-10-17 NC Senate R+1.0 R+1.6 0.6 ✓
2014-10-01 NJ-3 House R+7.0 R+9.6 2.6 ✓
2014-10-01 FL-2 House R+6.0 D+1.1 7.1 ✗
2014-09-26 NC Senate D+5.0 R+1.6 6.6 ✗

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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