5 key findings about the changing U.S. religious landscape
Christians are declining, both as a share of the U.S. population and in total number, while religious “nones” continue to rise.
Numbers, Facts and Trends Shaping Your World
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Middle East-North Africa
More than nine-in-ten people in the Middle East and North Africa were Muslim as of 2010 (93%), and the share of the region’s population that is Muslim is expected to be slightly higher in 2050 (94%). The Middle East-North Africa region’s Muslim population is expected to grow by 74% from 2010 to 2050, from 317 […]
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About the Survey
The analysis in this report is based on telephone interviews conducted April 30-May 3, 2015 among a national sample of 1,000 adults, 18 years of age or older, living in the continental United States (500 respondents were interviewed on a landline telephone, and 500 were interviewed on a cell phone, including 285 who had no […]
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Results
Recruitment A 54% majority of those who were invited to join the panel agreed to do so, but not all of these individuals actually took part in panel surveys. Of those invited, 43% joined and responded to at least one wave in 2014, 33% responded to at least five waves and 20% responded to all […]
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Survey Methods
Pew Research Center January – February 2015 Survey This report is based on telephone surveys in the United States and Japan conducted under the direction of Princeton Survey Research Associates International. In the U.S., interviews were conducted February 12-15, 2015 among a national sample of 1,000 adults, 18 years of age or older, living in […]
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About the Party Identification Database The analysis of changes in party identification over time is based on a compilation of 279 surveys and over 450,000 interviews among the general public conducted by the Pew Research Center from January 1992 to December 2014. These surveys are combined into one large data file that can be sorted […]