Numbers, Facts and Trends Shaping Your World

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  • report

    Appendix: Survey methodology

    The random-digit-dial survey (RDD) was conducted according to Pew Research Center’s standard protocol for RDD surveys. Interviewing occurred April 25 through May 1, 2018, with 1,503 adults living in the U.S., including 376 respondents on a landline telephone (25% of the total) and 1,127 on a cellphone (75%). The parallel registration-based sampling survey interviewed 1,854 […]

  • report

    2. RBS and RDD surveys show similar levels of accuracy when compared with population benchmarks

    To gauge the accuracy of estimates from the RDD and RBS samples on nonpolitical topics, the surveys included a number of questions that are also measured in high-quality federal surveys with high response rates.[10. numoffset=”10″ For example, the response rate for the sample adult module of the National Health Interview Survey is 54%.] This study measures […]

  • report

    Faith on the Hill

    The new, 116th Congress includes the first two Muslim women ever to serve in the House of Representatives, and is, overall, slightly more religiously diverse than the prior Congress.

  • short reads

    Why America’s ‘nones’ don’t identify with a religion

    Six-in-ten religious “nones” in the U.S. say the questioning of religious teachings is a very important reason for their lack of affiliation. The second-most-common reason is opposition to the positions taken by churches on social and political issues.

  • report

    Methodology

    This is the ninth time Pew Research Center has measured restrictions on religion around the globe.[75. numoffset=”75″ See Methodology of Pew Research Center’s 2009 report “Global Restrictions on Religion” for a discussion of the conceptual basis for measuring restrictions on religion.] This report, which includes data for the year ending Dec. 31, 2016, generally follows the […]