No Easy Fix for Bogus Respondents in Online Opt-In Polls
A new study examining online opt-in polling finds that while removing bogus respondents generally improves data quality, no single method reliably solves the problem.
Numbers, Facts and Trends Shaping Your World
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Methodology
Ipsos KnowledgePanel and Omnibus methodology Introduction Ipsos delivers affordable, statistically valid online research through KnowledgePanel. KnowledgePanel is the first and largest online research panel that is representative of the entire U.S. population. Panel members are randomly recruited through probability-based sampling, and households are provided with access to the Internet and hardware if needed. Ipsos recruits […]
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From Diagnoses to Treatments, Why Americans Use AI Chatbots for Health
Americans use chatbots for a host of health-related reasons, from helping make diagnoses on their own to learning more about information they may have gotten from a doctor. Nearly all chatbot health users find this AI information helpful.
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Appendix B: Typology group creation and analysis
Pew Research Center’s 2026 political typology divides the public into nine groups. The assignment of individuals to one of the nine groups is based on their responses to 30 questions about social and political values. The table below lists the items used in the construction of the typology groups. Items included in the typology construction […]
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Trump’s approval rating hits second-term low among his Latino voters, though many still approve
About two-thirds of Latino Trump voters (66%) approve of his job performance. That’s down 27 percentage points since the start of his second term.
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Methodology
About Pew Research Center’s Spring 2025 Global Attitudes Survey Results for the survey are based on a mix of telephone, face-to-face and online interviews conducted under the direction of Gallup, Langer Research Associates and Social Research Centre. The results are based on national samples, unless otherwise noted. Read more about our international survey methodology and […]
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Which U.S. religious groups are most highly educated?
Hindus and Jews are much more likely to have a four-year college degree than Americans in other religious groups.
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Why and how we’re weighting surveys for past presidential vote
This piece explains why, when and how we are weighting our surveys on Americans’ past vote.
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Religion Holds Steady in America
Analysis of our polls and other data shows no clear evidence of a religious revival among young adults. Read more about religiousness by age and gender.
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Appendix: Did attitudes shift after Alex Pretti was killed?
Pew Research Center surveyed 8,512 adults from Jan. 20 to 26, 2026 about Americans’ views of immigration. Read findings on immigration officers’ actions and the public’s response to immigration enforcement. This survey was in the field on January 24, the day Alex Pretti was shot and killed by Border Patrol agents in Minneapolis. While the […]