4-Day Work Week Statistics: How Fewer Days Boost Productivity

Key 4-day Work Week Statistics (Editor’s Pick)

• The average working week for US employees is at 34.3 hours.
• 81% of full-time workers prefer a 4-day workweek. Out of this 81%, a majority (89%) of them are more than willing to make sacrifices to get it.
• 44% of on-site employees would change their jobs to enjoy a 4-day workweek.
• 54% of Irish and German workers prefer a shorter workweek than a longer salary.
• 63% of digital leaders with a 4-day workweek and 74% with a 3-day workweek reported their policies were highly successful 
• 81% of young people think a 4-day workweek would increase productivity.
• 80% of workers are enthusiastic about a 4-day workweek.
• About 66% of businesses using a 4-day workweek say they have reduced costs.
• 49% of surveyed businesses in the U.K. say the transition to a 4-day workweek was smooth.

For more than a century, the five-day workweek has shaped how we live, plan our time, and define productivity. It’s so deeply ingrained in modern life that questioning it once felt unrealistic—almost radical. 

But over the past few years, that assumption has quietly started to crack. 

From startups to global corporations, and from governments to research institutions, a growing number of organizations are asking a bold question: What if working less could actually achieve more?

The four-day workweek has moved beyond being a workplace experiment or a trendy perk. It’s now backed by a rapidly expanding body of data—real numbers measuring productivity, employee well-being, retention, revenue, burnout, and even environmental impact. 

As businesses grapple with talent shortages, burnout, and shifting expectations around work-life balance, statistics are playing a crucial role in separating hype from reality.

This article dives deep into the numbers behind the four-day workweek. Whether you’re an employer evaluating feasibility, a policymaker exploring labor reform, or a professional wondering if the traditional work model still makes sense, the data tells a compelling story—one that’s reshaping the future of work faster than many expected. 

What Does a 4-day Work Week Mean?

A 4-day work week is a schedule where employees work four days a week instead of the traditional five, while maintaining a standard total number of weekly work hours. 

This can lead to longer daily work hours but allows for an extra day off each week.

Employees will focus on completing their tasks within four days instead of 5, so they can have three days off. This will not affect their pay either.

General 4-day Work Week Statistics

1. As of August 2025, the average US private nonfarm worker logged 34.2 hours per week, including part-timers, according to seasonally adjusted data (source).

2. As of Q3 2025, the average weekly hours worked by full-time employees in the UK stood at 36.5 hours. It’s worth noting that this figure reflects a recovery from a significant dip in 2020, when working hours dropped sharply due to the COVID-19 pandemic (source).

3. In the UK, as of Q3 2025, about 59.9% of employed individuals worked 31-45 hours/week, while 14.1% clocked more than 45 hours (source).

4. As of the first quarter of 2025, the average weekly hours for full-time workers in London was 37.7 hours a week, compared with 37.5 hours a week in the previous quarter (source).

5. In 2022, Colombian workers averaged 2,400 hours (46.3 hours/week), the most in the OECD, while German workers averaged 1,340 hours (25.8 hours/week), the least (source).

6. 21% of workers are willing to take a pay cut for a 4-day workweek, with most (51%) accepting a 5% or less pay reduction. Others would consider a 10% (23%), 15% (7%), or 20% or more (19%) pay cut. Meanwhile, 79% of workers are not willing to take a pay cut (source).

7. 81% of full-time workers prefer a 4-day workweek. Out of this 81%, a majority (89%) of them are more than willing to make sacrifices to get it. For example, 54% say they are ready to work longer hours (source).

8. Not all 4-day workweeks are the same – some pack 40 hours into fewer days, while others cut hours and keep full pay and benefits. Either way, employees are stoked: about 80% of Work in America survey respondents think they’d be happier and just as productive with a 4-day work week (source).

9. 92% of companies involved in a 4-day workweek experiment say they plan on continuing the method. The experiment showed that a shorter workweek boosted productivity, team culture, and morale (source).

10. 93% of U.S. managers would like their team to have a 4-day workweek. Additionally, 64% of them expect their organization to adopt the 4-day workweek mode within the next few years (source).

11. Additionally, 66% of workers agree that working only four days would improve their mental well-being (source).

12. 66% of workers say they prefer to spend their fifth day (Friday) with friends. 67% prefer to spend time with their families (source).

13. According to Gallup research, only 8% of over 12,313 surveyed employees say they work four days weekly. Also, 84% had the traditional five-day workweek, while 8% worked six days weekly. However, the 6-day workweek employees experienced very high rates of burnout (source).

14. 4-day workweek workers have less work engagement rates compared to 5 and 6-day workweeks (source).

15. Up to 44% of on-site employees would change their jobs to enjoy a 4-day workweek (source).

16. 15% of the surveyed employees admitted that no amount of money would make them go back to working five days a week (source).

17. 40% of companies in a survey have either implemented a 4-day workweek or have begun to do so (source).

18. In Poland, 28% of surveyed workers prefer a 4-day workweek (source).

19. Over 32% of employees in the U.S. between 58 and 76 years prefer a 4-day workweek. This percentage makes them the age group with the strongest desire for a 4-day workweek. However, the age group with the lowest desire is those between 18 and 25 years old (source).

20. According to 96.5% of employees in Germany who want a 4-day workweek, the primary reason for wanting that is because they want more time for themselves. However, a smaller number (31%) of employees say they want a shorter workweek due to health issues (source).

21. In Hungary, one-fourth (25%) of employees admitted that “the introduction of a 4-day workweek was a dream”. Another 25% say they are willing to change jobs just to enjoy a 4-day workweek (source).

22. In the UK, nearly 64% of businesses back a 4-day workweek, with only 28% opposing it. Interestingly, larger businesses are more keen (76%), while microbusinesses are less enthusiastic (53%) (source).

23. According to a Gartner poll, 63% of surveyed employees say part of their top innovative benefit that would attract them to a job is having a 4-day workweek with the same pay (source).

24. 40% of surveyed businesses say they plan to implement a 4-day workweek in the near future. From this percentage, 50% say they will do so in 2023. 42% prefer to implement it in 2024, and 8% will wait till 2025 (source).

25. 50% of companies willing to implement the 4-day workweek prefer a trial period between 1-3 months. 11% say they will have a trial period of less than a month, and 39% prefer three months or longer (source).

4-day Work Week Adoption Statistics

26. In 2025, around 748,000 UK employees were on compressed working week contracts, up from 509,000 the previous year (source).

27. 30% of large US companies are considering alternative work schedules, like 4-day or 4.5-day workweeks, to offer more flexibility and improve work-life balance (source).

Statistics on 4-day Workweek Benefits

28. In Iceland, nearly 2/3 of survey respondents support a 32-hour workweek (4 days/week) after a successful trial (2015-2019) showed productivity remained stable or improved (source).

29. 63% of digital leaders with a 4-day workweek and 74% with a 3-day workweek reported their policies were highly successful, indicating shorter workweeks are effective (source).

30. 81% of young people think a 4-day workweek would increase productivity, while 19% think it would decrease (source).

31. 77% of US workers believe a 4-day, 40-hour workweek would have a positive impact, with 46% expecting an “extremely positive” effect and 31% a “somewhat positive” effect. This indicates a strong desire for improved work-life balance (source).

32. 61% of US CEOs support using generative AI to automate routine tasks, reducing employee stress and workload (source).

33. 80% of workers are enthusiastic about a 4-day workweek, showing strong support for a shorter workweek (source).

34. 74% of workers interested in a 4-day workweek expect improved work-life balance, while 60% anticipate better mental and physical health. Additionally, 56% believe it will prevent burnout, 39% expect increased productivity, and 39% think it will reduce commuting costs (source).

35. 94% of workers interested in a 4-day workweek are confident they can complete their work in 32 hours (four 8-hour days), rather than the traditional 40 hours (source).

36. The results from a UK-based survey showed that businesses that offered a 4-day workweek saved over £104 billion or had up to 2.2% in total turnover (source).

37. About 66% of businesses using a 4-day workweek say they have reduced costs (source).

38. 73% of employers say a 4-day workweek has helped them make fewer car journeys (source).

39. 88% of workers say working only 32 hours a week will improve their work-life balance. Additionally, 82% believe it will help their company recruit and retain talent (source).

40. It is believed that turning Friday into a weekend instead of a workday will significantly improve the emissions of fossil fuels. This is because recent data showed that fossil fuels were burnt 10% less on weekends. Thus, improving the amount of toxicity released in the atmosphere (source).

41. In a UK survey, one of the most extensive 4-day workweek experiments run for six months, 55% of employees reported there was an increase in their ability to work (source).

42. By the end of the 4-day workweek experiment, 71% of employees experienced reduced burnout. 43% and 37% experienced improved mental and physical health, respectively. Also, 62% of the employees admitted it became easier to combine their work and social lives (source).

43. 84% of surveyed business leaders say using a 4-day workweek has helped their companies compete for top talent. Furthermore, 88% admit it improved their profitability (source).

44. 49% of surveyed businesses in the U.K. say the transition to a 4-day workweek was smooth. 29% say it was ‘extremely smooth’ (source).

Statistics on Challenges of a 4-day Workweek

45. According to 75% of surveyed businesses using a 4-day workweek, the biggest challenge for this system is being readily available to customers. Because workers are only available for four days, customers have limited interaction or support from the staff (source).

46. 70% of businesses say their challenge is that a 4-day workweek is difficult to manage, so they would rather stick to the traditional five-day workweek. This challenge arose because not all businesses understand the concept of a 4-day workweek (source).

47. 55% of workers believe that a 4-day workweek will most likely frustrate customers (source).

48. Some companies implementing a 4-day workweek are missing the point. 30% cut salaries for reduced hours, and 73% reduce paid time off. The idea is the 100-80-100 principle: 100% work, 80% time, 100% pay. But some companies aren’t getting it and are cutting pay instead (source).

Data on 4-day Work Week Facts From Buffer

Having been among the few companies using a 4-day workweek for the past three years, Buffer has a lot to say about this concept. 

49. 100% of surveyed employees in Buffer said they want to continue with the 4-day workweek (source).

50. Compared to their previous survey with 73%, 78.8% of surveyed Buffer employees work four days a week or five days with shorter hours (source).

51. 73.1% of the employees agreed that shorter work days energized them. Only 26.9% didn’t feel anything (source).

4-day Work Week FAQs

Conclusion

The statistics don’t lie—the 4-day work week is more than just a trendy idea; it’s a viable strategy for boosting productivity, improving employee well-being, and even enhancing organizational profitability. 

Companies that have embraced this model report happier teams, lower turnover rates, and increased output, proving that quality often trumps quantity when it comes to working hours. 

While challenges like industry-specific adaptations remain, the statistics prove that the 4-day work week is a growing trend that is here to stay.