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reportJan 21, 2026

Catholicism Has Declined in Latin America Over the Past Decade

Growing numbers of Latin Americans are religiously unaffiliated, but belief in God remains high across the region.
reportJul 23, 2025

How Pew Research Center Uses Its National Public Opinion Reference Survey (NPORS)

In 2020, Pew Research Center launched a new project called the National Public Opinion Reference Survey (NPORS). NPORS is an annual, cross-sectional survey of U.S. adults. Respondents can answer either by paper or online, and they are selected using address-based sampling from the United States Postal Service’s computerized delivery sequence file.
reportAug 19, 2024

Appendix B: Sources for the religious distribution of migrants, by destination country

For each destination country, this Appendix tabulates the methods of deriving the religious composition of migrant stocks from various origin countries. We only estimate the religious composition of origin-destination country pairs that appear in the United Nations’ migrant stock database. For example, for Afghanistan, the UN only provides estimates of the number of migrants from […]
reportJun 9, 2025

How the Global Religious Landscape Changed From 2010 to 2020

Christians remain the largest religious group, and Muslims grew the fastest from 2010 to 2020. Read how the global share of Buddhists, Hindus, Jews and the religiously unaffiliated changed.
reportSep 4, 2025

Many Religious ‘Nones’ Around the World Hold Spiritual Beliefs

Many religious “nones,” which include atheists and agnostics, in 22 countries hold religious or spiritual beliefs, such as in an afterlife or something beyond the natural world.
data essayJun 25, 2025

Spirituality and Religion: How Does the U.S. Compare With Other Countries?

Explore how adults in the U.S. and 35 other countries compare religiously and spiritually when it comes to affiliation, prayer, afterlife beliefs and more.
videoMay 13, 2025

Video: How common are spiritual beliefs in the U.S.?

In this video, we dive into the impact spirituality has on Americans and how it overlaps with and differs from religiousness.
reportMar 26, 2026

Americans’ experiences with religious audio programming

About half of U.S. adults listen to religious programming, including music and podcasts. Read about who tunes in, what they listen to and why, based on a 2025 survey.
reportFeb 12, 2026

Religious Diversity Around the World

Singapore is the most religiously diverse country, and Yemen the least, as of 2020. The U.S. ranks first among nations with large populations.
short readsSep 2, 2025

How religion declines around the world

Religion in a country tends to decline in three transitional stages that unfold across generations, a new paper using Center data proposes.

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Search results for: “religious affiliation”

Catholicism Has Declined in Latin America Over the Past Decade

How Pew Research Center Uses Its National Public Opinion Reference Survey (NPORS)

Appendix B: Sources for the religious distribution of migrants, by destination country

How the Global Religious Landscape Changed From 2010 to 2020

Many Religious ‘Nones’ Around the World Hold Spiritual Beliefs

Spirituality and Religion: How Does the U.S. Compare With Other Countries?

Video: How common are spiritual beliefs in the U.S.?

Religious Diversity Around the World

How religion declines around the world

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Search results for: “religious affiliation”

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