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Polls and Public Opinion

Welcome to the world of polls and public opinion surveys. This guide lists both open access and by-subscription-only polls; resources on the process, and tools to aid in evaluating the quality of the data collected.

Evalulating Polls

FiveThirtyEight’s pollster ratings "are calculated by analyzing the historical accuracy and the methodology of each firm’s polls. Accuracy scores account for the type of election, a poll’s sample size, the performance of other polls surveying the same race and other factors...(including) measures of statistical bias in the polls." from the website

See more: The State Of The Polls, 2016 | How this works | Download the data