Buddhism’s Recent Decline in East Asia
Buddhism is the only major religion whose global population shrank between 2010 and 2020. Learn why it declined in East Asia, particularly in Japan and South Korea.
Numbers, Facts and Trends Shaping Your World
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How people in Latin America and the U.S. view Pope Francis
Pope Francis is broadly popular in much of Latin America and the U.S., but favorability has fallen in the Latin American countries surveyed.
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Methodology
The Religious Landscape Study is a nationally representative survey conducted among 36,908 U.S. adults, designed to produce reliable state and national estimates on Americans’ religious identities, beliefs and practices. Pew Research Center.
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Methodology
This study of religious radio in the United States uses three different data sources with accompanying methodologies: This is a Pew Research Center report from the Pew-Knight Initiative, a research program funded jointly by The Pew Charitable Trusts and the John S. and James L. Knight Foundation. Find related reports online at https://www.pewresearch.org/pew-knight/. The American Trends […]
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1. Factors driving religious change, 2010-2020
Read how demographic factors – age composition, life expectancy and fertility rates – and religious switching changed the global religious landscape.
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Methodology A: Unauthorized immigrant estimates
This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for previous years back to 1990. These estimates supersede all previously published Pew Research Center estimates. Although this report draws largely on U.S. Census Bureau surveys, our estimates generally will not agree exactly with data published by […]
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Methodology
About Pew Research Center’s Spring 2024 Global Attitudes Survey Results for the survey are based on telephone, face-to-face and online interviews conducted under the direction of Gallup, Langer Research Associates, Social Research Centre and Verian. The results are based on national samples, unless otherwise noted. Here are more details about our international survey methodology and country-specific […]
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What the data says about U.S. foreign aid
The $71.9 billion in foreign aid that the government spent in fiscal year 2023 works out to 1.2% of that year’s total federal spending.
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15. Why we revised our estimates for 2010
Read how Pew Research Center revised our estimates to reflect methodological advances, incorporate newly available data, and allow comparison across measures in this report.
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1. Religious affiliation in Latin America
Catholics remain the largest religious group in Argentina, Brazil, Chile, Colombia, Mexico and Peru, while second-largest groups vary.
