How Pew Research Center counted U.S. unauthorized immigrants in 2019
Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.
Numbers, Facts and Trends Shaping Your World
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Appendix A: Methodology
This appendix provides an overview of the data sources and analytic approaches used in the report. The general population data underlying this study were sourced from three survey datasets: The World Values Survey (WVS) Wave 6 (2010-2014), the International Social Survey Programme (ISSP) 2011 Health and Health Care Module, and one 2012 Pew Research Center […]
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In Western European Countries With Church Taxes, Support for the Tradition Remains Strong
Giving a share of one’s income to the church has been a part of European tradition for centuries. Today, several countries continue to collect a “church tax” on behalf of officially recognized religious organizations, in some cases levying the tax on all registered members.
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Methodology
This report and accompanying digital interactive tool are based on a nationally representative Pew Research Center survey of 34,897 U.S. adults, conducted October 15-November 8, 2018, on both the Center’s American Trends Panel (ATP) and Ipsos’s KnowledgePanel. The first part of the report presents the survey results at the national level. The second and third parts […]