Numbers, Facts and Trends Shaping Your World

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    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

    When Online Content Disappears

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

  • report

    Methodology

    Collection and analysis of Twitter data Twitter analysis in this report is based on 4.8 million tweets collected from March 8 to April 27, 2023. This process involved collecting batches of 3,000 new tweets every 30 minutes over the duration of the collection period using the Twitter Streaming API. This resulted in a sample of […]

  • report

    Measles outbreak raises concerns about health information

    ☀️ Happy Thursday! The Briefing is your guide to the world of news and information. Sign up here! In today’s email: 🔥 Featured story As a measles outbreak in West Texas continues to grow, so do concerns about the health information Americans are encountering. Robert F. Kennedy Jr., the recently confirmed secretary of Health and Human Services, has offered some public comments in […]

  • report

    Methodology

    This report is based on 664 members of Pew Research Center’s American Trends Panel (ATP) who consented to share their username for research purposes, provided a verifiable TikTok handle and whose list of followed accounts is publicly visible on their profile. Refer to our earlier report methodology for more details about the ATP and our […]

  • report

    How U.S. Adults Use TikTok

    About half of all U.S. adults who use TikTok have never posted a video themselves. And the top 25% of U.S. adults on the site by posting volume produce 98% of all publicly accessible videos from this group. Users who have posted videos are generally more active on the platform than non-posters.

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