Numbers, Facts and Trends Shaping Your World

Publications

  • report

    Number of Muslims Worldwide Expected to Nearly Equal Number of Christians by 2050; Religiously Unaffiliated Will Make Up Declining Share of World’s Population

    Media Contact: Katherine Ritchey, Communications Manager 202-419-4372, kritchey@pewresearch.org Washington, April 2, 2015 — The religious profile of the world is rapidly changing, driven primarily by differences in fertility rates and the size of youth populations among the world’s major religions, as well as by people switching faiths. Over the next four decades, Christians will continue to […]

  • report

    Methodology: How Crimson Hexagon Works

    To arrive at the results regarding the tone or frame of discussion on social media, and specifically Twitter, Pew Research often uses computer coding software provided by Crimson Hexagon. That software is able to analyze the textual content from all publicly available posts on Twitter. Crimson Hexagon (CH) classifies online content by identifying statistical patterns […]