Numbers, Facts and Trends Shaping Your World

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    Methods in Detail

    About the 2014 Spring Pew Global Attitudes Survey Results for the survey are based on telephone and face-to-face interviews conducted under the direction of Princeton Survey Research Associates International. Survey results are based on national samples. For further details on sample designs, see below. The descriptions below show the margin of sampling error based on […]

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    Hindus

    The number of Hindus around the world is projected to rise from slightly more than 1 billion in 2010 to nearly 1.4 billion in 2050. This increase will roughly keep pace with overall population growth. As a result, Hindus will remain fairly stable as a share of the world’s population over the next four decades, […]

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    Appendix 1: Methodology

    This is the sixth time the Pew Research Center has measured restrictions on religion around the globe.[1. numoffset=”44″ See Methodology of the 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, 2013, generally […]

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    App vs. Web for Surveys of Smartphone Users

    Pew Research Center methodologists examine the efficacy of intensive data collection with a probability-based panel and the differences in participation and responses when using a smartphone app as opposed to a web browser for a study of smartphone use.

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    Chapter 1: The Changing Religious Composition of the U.S.

    Christians remain by far the largest religious group in the United States, but the Christian share of the population has declined markedly. In the past seven years, the percentage of adults who describe themselves as Christians has dropped from 78.4% to 70.6%. Once an overwhelmingly Protestant nation, the U.S. no longer has a Protestant majority. […]