Polls analyzed | 4 |
Races called correctly | 100% |
Most recent cycle | 2020 |
Affiliated with professional polling organization (NCPP/AAPOR/Roper) | Yes |
How accurate are the polls from University of California, Berkeley?
2020
Key
A = Adults
RV = Registered voters
V = Voters
LV = Likely voters
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Oct 16-21 | 5,352LV | President (CA) General election | Online | Poll Biden (D) +36.0 | Actual Biden (D) +29.2 | Difference 6.8 |
Feb 20-25 | 3,002LV | President (CA) Democratic primary | Online | Poll Sanders (D) +25.5 | Actual Sanders (D) +8.1 | Difference 17.4 |
2018
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Oct 19-25 | 1,339LV | Governor (CA) General election | Online | Poll Newsom (D) +18.0 | Actual Newsom (D) +23.9 | Difference 5.9 |
Oct 19-25 | 1,339LV | Senate (CA) General election | Online | Poll Feinstein (D) +9.0 | Actual Feinstein (D) +8.3 | Difference 0.7 |
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