Pollster · 124 of 1769
CNN/SSRS
Polls scored
26
Mean error
4.3 pt
Signed bias
D+3.19
Aggregation weight
0.80
Composite quality score
0–100 · weighted of 5 measured components63
of 100 · tier · strong
Strong on the components we measure; one or two areas pull the composite below the elite threshold.
Pollster vs editorial consensus
d-leanAcross 30 graded races, CNN/SSRS's released topline differed from the median editorial-rater consensus by an average of +3.0pp. That's a measurable D-lean vs the consensus.
Mean delta
+3.0pp
Median delta
+3.0pp
Std-dev
4.3pp
N graded
30
Recent activity
Total all time
40
Last 30d
0
Last 90d
0
Last 180d
0
Per-cycle debrief appearances
| Cycle | Rank | Polls | MAE | Signed bias |
|---|---|---|---|---|
| 2024 | #9 / 26 | 3 | 3.34 pt | D+3.34 pp |
| 2020 | #13 / 20 | 3 | 6.24 pt | D+6.24 pp |
| 2018 | #18 / 25 | 10 | 5.28 pt | D+4.25 pp |
Recent polls
- 10/27/2024North Carolina · Governor · 2024Josh Stein 53.0 · Mark Robinson 37.0
- 10/27/2024Michigan · Senate · 2024Elissa Slotkin 48.0 · Mike Rogers 42.0
- 10/27/2024Pennsylvania · Senate · 2024Bob Casey Jr. 48.0 · Dave McCormick 45.0
- 10/27/2024Wisconsin · Senate · 2024Tammy Baldwin 49.0 · Eric Hovde 47.0
- 9/24/2024North Carolina · Governor · 2024Josh Stein 53.0 · Mark Robinson 36.0
- 11/28/2022Georgia · Senate · 2022Raphael Warnock 51.0 · Herschel Walker 44.0
- 10/17/2022Michigan · Governor · 2022Gretchen Whitmer 55.0 · Tudor Dixon 41.0
- 10/16/2022Pennsylvania · Governor · 2022Josh Shapiro 56.0 · Doug Mastriano 39.0
- 10/16/2022Wisconsin · Governor · 2022Tony Evers 50.0 · Tim Michels 46.0
- 10/16/2022Pennsylvania · Senate · 2022Mehmet Oz 41.0 · John Fetterman 52.0