The 4 Day Week Portugal Trial Results

Learn how the 4 day week impacted businesses across Portugal

65%

of employees spent more time with family

95%

of companies evaluate the trial positively

70%

increase in creative work

85%

report an increase in performance

23%

decrease in employee fatigue

Portugal’s 4 Day Week Group Trial

The study includes 41 Portuguese companies that shortened the working week, 21 of which coordinated the start of a six-month trial in June 2023. This trial was run in partnership with 4 Day Week Global and the Portuguese Government, with the research jointly conducted by Birkbeck, University of London, and Henley Business School.

In the first three months, more than 1,000 workers in these companies reduced their work time by 13.7%. So far, the trial saw fantastic results, with work exhaustion reduced by 19%, challenges maintaining work/life balance dropped from 46% to 8%, and a vast majority of workers would only agree to return to a 5-day week if they would receive a pay rise to do so.

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