Numbers, Facts and Trends Shaping Your World

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  • report

    Methodology

    The Pew Research Center’s Teen Relationship Study was funded, designed and analyzed by Pew Research Center staff. Quantitative fieldwork was conducted by the GfK Group (GfK, formerly Knowledge Networks). Specifically, the survey examined the attitudes of teens ages 13 to 17 years old, as well as those of their parents, toward technology. The survey examined […]

  • report

    Methodology

    The analysis in this report is based on a Pew Research Center survey conducted June 10, 2015, through July 12, 2015, among a national sample of 2,001 adults, 18 years of age or older, living in all 50 U.S. states and the District of Columbia. Fully 701 respondents were interviewed on a landline telephone, and […]

  • report

    2. On-demand: Ride-hailing apps

    15% of American adults have used ride-hailing apps, but one-third have never heard of these services Despite their cultural prominence in media and technology circles, just 15% of American adults indicate that they have ever used a ride-hailing service such as Uber or Lyft. Half of all Americans (51%) are familiar with these services but […]

  • report

    Methodology

    This report is based on results from two surveys – a national telephone survey of more than 35,000 adults that was the centerpiece of the Pew Research Center’s 2014 U.S. Religious Landscape Study, and a supplemental survey conducted at roughly the same time (summer 2014) among participants in Pew Research Center’s American Trends Panel (ATP). […]

  • report

    1. Assessing the accuracy of online nonprobability surveys

    To better understand the current landscape of commercially available online nonprobability samples, Pew Research Center conducted a study in which an identical questionnaire was administered to nine samples supplied by eight different vendors along with the Center’s probability-based online panel. A benchmarking analysis – in which a subset of each survey’s results was compared to […]

  • report

    Methodology

    Population Estimates This report uses two different, but similar, estimates of the voting-eligible population (or the electorate) for November 2016. Both define the voting-eligible population as U.S. citizens aged 18 years and older in November 2016. The survey-based estimates are used to describe characteristics of the voting-eligible population (e.g., educational attainment); the demographic estimates are […]

  • report

    Methodology

    The analysis in this report is based on telephone interviews conducted February 18-21, 2016 among a national sample of 1,002 adults, 18 years of age or older, living in the continental United States (501 respondents were interviewed on a landline telephone, and 501 were interviewed on a cell phone, including 312 who had no landline […]