The traditional five-day, 40-hour workweek is increasingly being challenged as companies and governments recognize that longer hours do not necessarily translate into greater productivity. A recent ranking by World Population Review highlights how the global shift toward shorter work schedules is reshaping ideas about productivity and employee well-being. From experimental four-day workweeks to national policy reforms, workplaces are testing whether less time on the clock can lead to sharper focus and stronger performance.
The success of European trials
Europe has emerged as a major testing ground for alternative work models. In Iceland, a multiyear trial involving more than 2,500 employees found that reducing working hours without cutting pay maintained or improved productivity in most participating workplaces. Today, about 86% of Icelandic workers have either moved to shorter working hours or gained the right to negotiate them.
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In the United Kingdom, a similar pilot program found that 92% of participating companies chose to continue with a four-day workweek after the trial ended.
The Netherlands and Denmark also demonstrate that shorter working hours can coexist with highly productive economies. Dutch employees work about 29 hours per week on average while maintaining strong productivity on an hourly basis compared with countries where 40-hour workweeks are more common. These findings have fueled broader debate over whether productivity declines when employees work long stretches without adequate breaks.
Global resistance and regional shifts
In contrast, countries with historically demanding work cultures are pursuing reforms to address burnout and overwork. South Korea has capped the legal workweek at 52 hours as part of efforts to curb excessive working hours. Japan has also promoted greater scheduling flexibility to address chronic overwork. The issue is so serious that Japan has a specific term for death caused by overwork: karoshi.
Microsoft Japan reported a 40% increase in productivity during a temporary four-day workweek experiment, further fueling interest in shorter schedules.
In the U.S., where workers continue to log relatively long hours, interest in shorter workweeks is also growing, particularly among technology companies and startups seeking to attract and retain talent. The trend suggests that, in competitive labor markets, flexibility and work-life balance can be important incentives alongside compensation.
Some analysts predict that shorter workweeks could become increasingly common across advanced economies in the coming decade, although the pace of adoption is likely to vary by industry and country.
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