World’s Largest Four-Day Work Week Trial Finds Few Are Going Back

And about one in six employees in the study said no amount of money would convince them to return to five days a week. 

Morning commuters exit Liverpool Street railway station in the City of London.

Photographer: Jose Sarmento Matos/Bloomberg
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The largest-ever trial of the four-day work week found that most UK companies participating are not returning to the five-day standard, and a third are ready to make that change permanent.

The study involved 61 organizations and about 2,900 workers who voluntarily adopted truncated work weeks from June to December 2022. Only three organizations decided to pause the experiment, and two are still considering shorter hours, data released Tuesday showed. The rest were convinced by revenue gains, drops in turnover and lower levels of worker burnout that four is the new five when it comes to work days.