A Center analysis of survey questions from nearly a year’s worth of its public opinion polling finds that election poll errors like those seen in 2020 would alter measures of opinion on issues by an average of less than 1 percentage point.





A Center analysis of survey questions from nearly a year’s worth of its public opinion polling finds that election poll errors like those seen in 2020 would alter measures of opinion on issues by an average of less than 1 percentage point.