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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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    U.S. Public Becoming Less Religious

    There has been a modest drop in overall rates of belief in God and participation in religious practices. But religiously affiliated Americans are as observant as before.

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    Appendix A: Methodology

    This appendix details the methods used in this study to project changes in the population size and geographic distribution of eight major religious groups from 2010 to 2050. It is organized in five sections. The first section explains how the baseline (2010) religious composition estimates were derived. The second section describes how key input data […]

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    Chapter 1: Main Factors Driving Population Growth

    When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration. In the case of religious groups, a fifth factor is […]

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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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    Methodology

    The study involved five separate research methodologies in each city, each of which is detailed below. City Selection Process The three cities studied as a part of Local News in a Digital Age are not meant to be representative of the United States as a whole, but rather serve as detailed case studies of local […]

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    Appendix C: Methodology

    Overview The estimates presented in this report for the unauthorized immigrant population are based on a residual estimation methodology that compares a demographic estimate of the number of immigrants residing legally in the country with the total number of immigrants as measured by a survey—either the American Community Survey or the March Supplement to the […]

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    Who Covers the Statehouse

    These 1,592 reporters come from a wide range of outlets and sectors. Even with the declines of the last decade, newspapers still employ the greatest portion of all statehouse reporters—38% of the total. The next largest employer, television stations, account for less than half as many (17%). They are followed by reporters working for a […]

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    Appendix 1: Methodology

    This is the fifth time the Pew Research Center has measured restrictions on religion around the globe.[1. numoffset=”39″ See the 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. […]