Numbers, Facts and Trends Shaping Your World

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  • short reads

    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.

  • report

    6. News influencers on Facebook

    Far more of the site’s news influencers explicitly identify with the political right than left, and two-thirds are men.

  • report

    When Online Content Disappears

    A quarter of all webpages that existed at one point between 2013 and 2023 are no longer accessible.

  • report

    2024 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. 1, 2024, to June 10, 2024. Participants were first mailed an invitation to complete an online survey. A paper survey was later mailed to those who did not […]

  • report

    Methodology

    For our latest survey data about news influencers, read the “News Influencers Fact Sheet.” This report – a study of popular news influencers – uses three different research components and methodologies, including a nationally representative survey of U.S. adults conducted through Pew Research Center’s American Trends Panel (ATP), as well as an analysis of news influencers […]

  • report

    Methodology

    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 […]

  • report

    Methodology

    The data in this report is drawn from a national cross-sectional survey conducted for Pew Research Center by Westat. The sampling design of the survey was an address-based sampling (ABS) approach, supplemented by list samples, to reach a nationally representative group of respondents. The survey was fielded July 5, 2022, through Jan. 27, 2023. Self-administered […]

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