The Wayback Machine - https://web.archive.org/web/20240301120401/https://www.pewresearch.org/topic/politics-policy/us-elections-voters/election-2016/
report | Apr 8, 2021

Confronting 2016 and 2020 Polling Limitations

Looking at final estimates of the outcome of the 2020 U.S. presidential race, 93% of national polls overstated the Democratic candidate’s support among voters, while nearly as many (88%) did so in 2016.

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