Numbers, Facts and Trends Shaping Your World

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  • 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

    Discussion

    The purpose of this study was to examine the feasibility of conducting experience sampling method surveys with a nationally representative survey panel, as well as the costs and benefits of doing so using an app vs. web-based data collection. The first research question was whether panelists would respond to an experience sampling method study given […]

  • feature

    Family Support in Graying Societies

    America is turning gray, with the share of people ages 65 and older expected to rise more than 50% by 2050 – a trend that may burden more families. But Germany and Italy are already there, with a fifth of their population in that age range.

  • report

    Ukraine 2015: How We Approached Our Sample Design in Light of Insecurity in Eastern Ukraine

    The uneasy ceasefire in eastern Ukraine, punctuated by almost daily fighting between separatists and government forces, posed a major challenge to the Pew Research Center as we set about conducting a new public opinion survey in that country this past spring. As always, our first priority was the safety of interviewers and respondents, who can both be at risk when it comes to face-to-face surveys in a conflict zone.

  • report

    Methodology

    This report is part of a series by the Pew Research Center aimed at understanding of political news and information habits in the American public. An initial report on these data explored these habits across the ideological spectrum. Data in this report are drawn from the first wave of the Pew Research Center’s American Trends […]

  • report

    Iran Nuclear Agreement Meets With Public Skepticism

    Survey Report More Americans disapprove than approve of the deal struck last week by the U.S., Iran and five other nations to limit Iran’s nuclear program: Among the 79% of Americans who have heard about the agreement, just 38% approve, while 48% disapprove (14% do not offer an opinion). There is widespread skepticism about aspects […]

  • report

    Results

    Recruitment A 54% majority of those who were invited to join the panel agreed to do so, but not all of these individuals actually took part in panel surveys.  Of those invited, 43% joined and responded to at least one wave in 2014, 33% responded to at least five waves and 20% responded to all […]