Wikipedia at 25: What the data tells us
As of December 2025, there are over 66 million articles across all languages on Wikipedia. Around 7 million articles are in English.
Numbers, Facts and Trends Shaping Your World
As of December 2025, there are over 66 million articles across all languages on Wikipedia. Around 7 million articles are in English.
One month of web browsing data shows most respondents visited a search page with an AI-generated summary, but visits to in-depth content about AI were much rarer.
Far more of the site’s news influencers explicitly identify with the political right than left, and two-thirds are men.
One-in-five U.S. adults say they find AI summaries in search results extremely or very useful, 52% say they’re somewhat useful, and 28% say they’re not too or not at all useful.
2025 National Public Opinion Reference Survey methodology Summary SSRS conducted the National Public Opinion Reference Survey (NPORS) for Pew Research Center using address-based sampling and a multimode protocol. The survey was fielded from Feb. 5, 2025, to June 18, 2025. Participants were first mailed an invitation to complete an online survey. A paper survey was […]
Here’s a look back at 2024 through 14 of our most striking research findings.
About half say it’s acceptable for journalists to advocate for communities they cover; fewer favor them expressing personal views.
Here’s a look back at 2025 through 12 of our most striking research findings.
The Religious Landscape Study is a nationally representative survey conducted among 36,908 U.S. adults, designed to produce reliable state and national estimates on Americans’ religious identities, beliefs and practices. Pew Research Center.
A majority of U.S. adults say they’re bothered a lot by the feeling that some corporations (61%) and some wealthy people (60%) don’t pay their fair share.
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