For the 100th anniversary of the SAT, a look at standardized test scores over time
As the SAT nears its 100th anniversary, here’s a look at how the test has changed since 1926 and how scores on both the SAT and ACT have shifted over time.
Numbers, Facts and Trends Shaping Your World
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Jenn Hatfield
Writer/Editor
Jenn Hatfield is a writer/editor at Pew Research Center.
Publications
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As Trump turns 80, who are the oldest – and youngest – current world leaders?
As Trump turns 80, only 16 of 186 national leaders are older. The median leader age is 63, while Nepal’s 36-year-old PM is the youngest.
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Worldwide, a quarter of new car sales are electric vehicles or hybrids
In eight countries, at least half of all new cars sold in 2025 were electric or hybrid. The U.S. reached just 10%, well below the global average of 25%.
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Key facts about same-sex marriage around the world, 25 years after the Netherlands legalized it
Twenty-five years after the first nationally recognized same-sex marriages, nearly 40 places now allow them. But their prevalence varies, as do public attitudes.
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Key findings about Puerto Rico
Here are answers to some key questions about Puerto Rico and Puerto Ricans, using data from the U.S. Census Bureau and other sources.
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Far more Americans say they’d like to live in the past than in the future
45% of U.S. adults say that if they could choose, they would live sometime in the past, while 14% say they’d live sometime in the future.
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Striking findings from 2025
Here’s a look back at 2025 through 12 of our most striking research findings.
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More than 9 in 10 LGBTQ adults in the U.S. are ‘out’ to someone
Today, 96% of lesbian, gay, bisexual, transgender or queer adults in the United States say they have told someone that they are or might be LGBTQ.
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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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A look at women’s colleges in the U.S.
The number of women’s colleges in the U.S. has declined since the mid-20th century, a result of many becoming coeducational, merging with other institutions or simply closing their doors.
