Harassment of religious groups around the world in 2023
Religious groups faced harassment in 192 of 198 countries and territories, matching a previous high from 2022.
Numbers, Facts and Trends Shaping Your World
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10. Prayer and other religious practices
Fewer Americans pray daily today than in 2007. Read about how often U.S. adults participate in prayer groups, read scripture and more. Religious Landscape Study by Pew Research Center.
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short reads
Q&A: How Pew Research Center estimates the number of unauthorized immigrants living in the U.S.
In this Q&A, we speak with Senior Demographer Jeffrey S. Passel about how the Center estimates the number of unauthorized immigrants in the U.S.
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fact sheet
Party Affiliation Fact Sheet (NPORS)
Explore trends in partisan identification among U.S. adults using data from Pew Research Center’s National Public Opinion Reference Survey (NPORS).
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3. Muslim population change
Muslims are the world’s fastest-growing and second-largest religious group. In the Middle East-North Africa region, they make up 94% of the population.
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Appendix E: Updated unauthorized immigrant population estimates for Europe and the United Kingdom, 2014-2017
Editorial note to readers (March 19, 2025): This project estimated the number of unauthorized immigrants living in 32 European countries during the mid- to late-2010s. We used what were then the best available data sources from different governments and from the European Union. After our report was published in November 2019, researchers at the University […]
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Appendix C: Comparing the Center’s religion trends with those of other major surveys
Pew Research Center has tracked trends in American religion since 2007 via the Religious Landscape Study (RLS) and since 2020 using the annual National Public Opinion Reference Survey (NPORS). But the RLS and NPORS are hardly the only sources of survey data on religion in the United States. Among others, the General Social Survey (GSS) […]
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Methodology
This is the 15th time Pew Research Center has measured restrictions on religion around the globe.[12. numoffset=”12″ Refer to the Methodology of 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, 2022, […]
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Methodology
The American Trends Panel survey methodology Overview Data in this report comes from Wave 177 of the American Trends Panel (ATP), Pew Research Center’s nationally representative panel of randomly selected U.S. adults. The survey was conducted from Aug. 18 to 24, 2025. A total of 5,153 panelists responded out of 5,525 who were sampled, for […]
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Methodology
For our latest survey data about news influencers, read the “News Influencers Fact Sheet.” This report – a study of popular news influencers – uses three different research components and methodologies, including a nationally representative survey of U.S. adults conducted through Pew Research Center’s American Trends Panel (ATP), as well as an analysis of news influencers […]