Voter Files

Publications

short readsAug 28, 2024

Key things to know about U.S. election polling in 2024

Polls are more useful to the public if people have realistic expectations about what surveys can do well – and what they cannot.
reportJul 12, 2023

Republican Gains in 2022 Midterms Driven Mostly by Turnout Advantage

68% of U.S. adults who voted in the 2020 presidential election turned out to vote in the 2022 midterms. Former President Donald Trump’s voters turned out at a higher rate in 2022 (71%) than did President Joe Biden’s voters (67%).
short readsOct 30, 2020

A voter data resource: Detailed demographic tables about verified voters in 2016, 2018

Data tables from interviews we conducted with verified voters after the 2016 and 2018 elections may help answer some election 2020 questions.
short readsOct 29, 2020

What we can trust 2020 election polls to tell us

Polls can’t predict the future. But they are the best tool to reveal the public’s priorities and values, and why people vote the way they do.
reportSep 8, 2020

Democrats Made Gains From Multiple Sources in 2018 Midterm Victories

Our analysis of verified voters examines what 2016 voters and nonvoters did in the 2018 midterm elections and offers a detailed portrait of the demographic composition and vote choices of the 2018 electorate.
short readsNov 1, 2018

Exit polls, election surveys and more: A guide for the 2018 midterms

On election night 2018, besides the exit polls there will be an additional source of data on who voted and why, developed by The Associated Press, Fox News and NORC at the University of Chicago and based on a very different methodology. That means that depending on where you go for election news, you may get a somewhat different portrait of this year’s electorate.
reportOct 9, 2018

Comparing Survey Sampling Strategies: Random-Digit Dial vs. Voter Files

A new telephone survey experiment finds that an opinion poll drawn from a commercial voter file produces results similar to those from a sample based on random-digit dialing.
reportAug 9, 2018

For Most Trump Voters, ‘Very Warm’ Feelings for Him Endured

In the wake of Donald Trump’s 2016 election victory, an overwhelming majority of those who said they had voted for him had “warm” feelings for him.
reportFeb 15, 2018

Commercial Voter Files and the Study of U.S. Politics

A new analysis demystifies voter files, the widely-used and comprehensive digital databases used to better understand the U.S. electorate.
short readsFeb 15, 2018

Q&A: The growing use of ‘voter files’ in studying the U.S. electorate

Read a Q&A with Pew Research Center’s Ruth Igielnik and Scott Keeter about a recent study about voter files.

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Voter Files

Voter Files

Key things to know about U.S. election polling in 2024

Republican Gains in 2022 Midterms Driven Mostly by Turnout Advantage

What we can trust 2020 election polls to tell us

Exit polls, election surveys and more: A guide for the 2018 midterms

Comparing Survey Sampling Strategies: Random-Digit Dial vs. Voter Files

For Most Trump Voters, ‘Very Warm’ Feelings for Him Endured

Commercial Voter Files and the Study of U.S. Politics

Q&A: The growing use of ‘voter files’ in studying the U.S. electorate

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