Polls in the final weeks of the 2020 election campaign were farther off the mark from the election results on average than polls in any election in decades, according to a new task force report released Monday. The analysis, from the American Association for Public Opinion Research, suggests partisan differences in who chooses to take polls — portending challenges for pollsters trying to avoid similar problems in the future. …
As many states have finalized voter records with updated information on who voted in 2020 and how they cast their ballots, more pollsters and voter list vendors have started to release their own analyses of what happened in polling and in the election. Several of those have pointed toward conclusions similar to those suggested by the AAPOR Task Force Report, and a consensus appears to be building around four possible ways that the polls missed. CONTINUED
Jennifer Agiesta, CNN