What the data says about immigrants in the U.S.
As of June 2025, the country’s foreign-born population had shrunk by more than a million people, marking its first decline since the 1960s.
Numbers, Facts and Trends Shaping Your World
Short Reads
Short-form data and analysis from Pew Research Center writers and social scientists. To view all our reports and publications, visit our main Publications page.
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Cap & Trade: Few Know What it is but Half Support the Idea
Though few know what “cap and trade” is, half the public supports limits on carbon dioxide emissions even if it means higher energy prices.
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Chilling Numbers
The percentage of Americans who believe there is solid evidence supporting global warming has fallen from 71% in April 2008 to 57% today.
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Twitter Update
About one-in-five internet users now say they use Twitter or another similar service, up from 11% in April.