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UKs four-day week trial shows reduced burnout and stress

“is it true that Let’s begin with the strongest proof we have. Between June and December 2022, the UK ran the world’s largest four‑day‑week trial, involving 61 organisations and 2,900 workers. The results were published on 21 February 2023 by researchers from the University of Cambridge and Boston College. They found that: 71% of employees reported reduced burnout 39% reported lower stress levels Company revenue stayed broadly the same, even rising slightly in some cases”
Mostly true
Confidence: High Checked on May 31, 2026

Summary

The United Kingdom conducted the world’s largest four‑day‑week trial from June to December 2022, involving 61 participating organisations and roughly 2,900 workers, with results released on 21

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Sources 57 searched

sociology.cam.ac.uk
cam.ac.uk
  • Would you prefer a four-day working week?

    Research for the UK trials was conducted by a team of social scientists from the University of Cambridge, working with academics from Boston College in the US and the think tank Autonomy. The trial was organised by 4 Day Week Global in conjunction with the UK’s 4 Day Week Campaign, and ran between June and December 2022.

reuters.com
theguardian.com
pbs.org
bbc.com
  • Four-day workweek trial: The firms where it didn't work

    But even with this bespoke four-day week model, Roderick says his firm quickly ran into problems. “As opposed to 10 normal workdays, we found that employees would have nine extreme ones – once they got to their scheduled day off they were exhausted. Once we factored in holidays, sickness and caring responsibilities, we also struggled to find cover for an employee on their rest day.” · As a result, Allcap abandoned its trial two months early at its three main trade sites (its warehouse and manufacturing centres have the resources to cope with a four-day week).

digit-research.org
ukri.org
  • Making the case for a four-day working week – UKRI

    Just under 3,000 workers took part in the pilot, and 90% wanted to continue with the four-day working week at the end of the trial. The results also showed: more than two thirds reported lower levels of ‘burnout’

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