U.S. centenarian population is projected to quadruple over the next 30 years
The number of Americans ages 100 and older is projected to more than quadruple over the next three decades.
Numbers, Facts and Trends Shaping Your World
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3. How Asian Americans see the U.S. immigration system
With more than half of Asian Americans born outside the United States, a share that rises to 67% among Asian American adults, engagement with the U.S. immigration system is a common experience. Asian American immigrants interact with the nation’s immigration system in different ways. Some Asian immigrants came to the U.S. under differing visa categories, […]
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International Opinion on Global Threats
Adults across 25 countries see the spread of false information online, the condition of the global economy and terrorism as major threats today.
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4. Restrictions on religion in the world’s 25 most populous countries in 2021
Egypt, Pakistan, India, Indonesia and Nigeria had the highest levels of overall restrictions (both government restrictions and social hostilities) among the 25 most populous countries in 2021. Japan, the United States, South Africa, Italy and Brazil had the lowest levels of overall restrictions among these countries. Each year we look separately at the 25 most […]
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6 facts about Buddhism in China
While only 4% of Chinese adults formally identify as Buddhists, formal affiliation doesn’t reflect the full extent of Buddhist belief and practice.
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Appendix A: Survey methodology
About Pew Research Center’s Spring 2025 Global Attitudes Survey Results for the survey are based on a mix of telephone, face-to-face and online interviews conducted under the direction of Gallup, Langer Research Associates and Social Research Centre. The results are based on national samples, unless otherwise noted. Read more about our international survey methodology and […]
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1. Religious landscape and change
Most identify as Buddhist or unaffiliated, and religious “switching” over a person’s lifetime is common.
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Is China a religious country or not? It’s a tricky question to answer
Based on formal religious identity, China is the least religious country in the world – with just 10% of Chinese adults self-identifying with a religion.
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1. Views of China
Attitudes toward China are largely negative across the 24 countries surveyed. A median of two-thirds say they have an unfavorable opinion of the country and a median of just 28% offer positive ratings. Half or more in each of the North American and European countries surveyed have somewhat or very unfavorable opinions of China. This […]
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Wikipedia at 25: What the data tells us
As of December 2025, there are over 66 million articles across all languages on Wikipedia. Around 7 million articles are in English.