Numbers, Facts and Trends Shaping Your World

Search results for: “reasons for refugees”


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    Chapter 1: The Nation’s Immigration Laws, 1920 to Today

    Fifty years ago, the U.S. enacted a sweeping immigration law, the Immigration and Nationality Act, which replaced longstanding national origin quotas that favored Northern Europe with a new system allocating more visas to people from other countries around the world and giving increased priority to close relatives of U.S. residents. Just prior to passage of […]

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    Appendix A: Methodology

    Population Estimates and Projections: Definitions, Methods and Data Sources Overall Methodology The national projections presented here use a variant of the basic cohort component model in which the initial population is carried forward into the future by adding new births, subtracting deaths, adding people moving into the country (immigrants), and subtracting people moving out (emigrants). […]

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    Methods in Detail

    About the 2014 Spring Pew Global Attitudes Survey Results for the survey are based on 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 all interviews […]

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