Numbers, Facts and Trends Shaping Your World

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    Appendix A: Methodology

    The centerpiece of Pew Research Center’s 2014 Religious Landscape Study is a nationally representative telephone survey conducted June 4-Sept. 30, 2014, among a sample of 35,071 U.S. adults. Approximately 60% of the interviews were conducted with respondents reached on cellphones (n=21,160) and 40% were completed on landlines (n=13,911). A minimum of 300 interviews were conducted […]

  • report

    Chapter 2: Counting Multiracial Americans

    A new Pew Research Center survey finds that the mixed-race adult population could be as much as three times what current government estimates suggest.

  • report

    Mapping the Global Population: How Many Live on How Much, and Where

    Updated August 13, 2015: This new edition includes corrected estimates for Iceland, Luxembourg, the Netherlands and Taiwan, and some related aggregated data. The global middle-income population is nearing the 1 billion mark. In the 111 countries included in this study, the middle-income population nearly doubled from 398 million in 2001 to 783 million in 2011.[1. […]

  • short reads

    What is each country’s second-largest religious group?

    While either Christians or Muslims make up the largest religious group in nine-in-ten nations around the globe, the religiously unaffiliated rank second in size in most of the Americas and Europe, as well as in many countries in sub-Saharan Africa.

  • report

    Methodology: On UK elections, the talk on Twitter is largely negative

    This analysis of the Twitter discussions surrounding the 2015 United Kingdom (UK) elections employed media research methods that combined Pew Research’s content analysis rules with computer coding software developed by Crimson Hexagon (CH). This report is based on examination of about 13.5 million Twitter statements that were identified as being about the parties competing for the elections […]

  • report

    Views of Government’s Handling of Terrorism Fall to Post-9/11 Low

    Survey Report Following the terrorist attacks in Paris and San Bernardino, Calif., the public’s concerns about terrorism have surged and positive ratings of the government’s handling of terrorism have plummeted. But other attitudes relating to terrorism and security, as well as perceptions of whether Islam is more likely than other religions to encourage violence, have […]

  • report

    Despite Poverty’s Plunge, Middle-Class Status Remains Out of Reach for Many

    Updated August 13, 2015: This new edition includes corrected estimates for Iceland, Luxembourg, the Netherlands and Taiwan, and some related aggregated data. From 2001 to 2011, the poverty rate—the share of people living on $2 or less daily—fell in 83 of the 111 countries examined in this study.[1. numoffset=”38″ Countries that did not experience a […]