Numbers, Facts and Trends Shaping Your World

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    Methods

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

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    Christians

    The world’s Christian population is expected to grow from 2.2 billion in 2010 to 2.9 billion in 2050.[1. numoffset=”39″ For more information on Christianity and different Christian traditions, see “Defining the Religious Groups.” See also the Pew Research Center’s December 2011 report “Global Christianity: A Report on the Size and Distribution of the World’s Christian […]

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    Sub-Saharan Africa

    The total population in sub-Saharan Africa is expected to grow at a faster pace than in any other region in the decades ahead, more than doubling from 823 million in 2010 to 1.9 billion in 2050. As a result, the two dominant religions in the region – Christianity and Islam – both are expected to […]

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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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    Americans’ Views on Open Government Data

    Many hope that more transparency and data sharing will help journalists, make officials more accountable and improve decisions. But very few think agencies are doing a great job of providing useful data.

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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 […]