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See How Humans around the World Spend the 24 Hours in a Day

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A new study calculated the average “global human day,” revealing which activities take up most of our time

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Pie and bar charts show how an average “global human day” is spent: 9.1 hours are dedicated to sleep; 14.9 hours are dedicated to activities. Activities are further divided into 3 groups, 8 categories and 21 subcategories.
Credit: Studio Terp; Source: “The Global Human Day,” by William Fajzel et al., in PNAS, Vol. 120; June 2023 (data)

This article was originally published with the title “How We Spend Our Time” in Scientific American 329, 4, 94-95 (November 2023)

doi:10.1038/scientificamerican1123-94

ABOUT THE AUTHOR(S)

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    Clara Moskowitz is a senior editor at Scientific American, where she covers astronomy, space, physics and mathematics. She has been at Scientific American for a decade; previously she worked at Space.com. Moskowitz has reported live from rocket launches, space shuttle liftoffs and landings, suborbital spaceflight training, mountaintop observatories and more. She has a bachelor’s degree in astronomy and physics from Wesleyan University and a graduate degree in science communication from the University of California, Santa Cruz. Follow Clara Moskowitz on Twitter Credit: Nick Higgins

      Studio Terp is Sonja Kuijpers’ one-woman data illustration studio based in Eindhoven, the Netherlands. She sets out to make sense of numbers, experimenting with shapes and styles to create appealing humanistic data illustrations.

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