Flexible and hybrid working

The 4 Day Week Trial: A Game-Changer for the Future of Work?

Darryl Horn, Wednesday, 22 March 2023 • 5 min read

How a shorter workweek can have a positive impact on productivity, employee well-being, and the economy, and shape the future of work.

The 4 Day Week Trial: A Game-Changer for the Future of Work?

The recent 4 day week trial in the UK has sparked discussions about the impact of reduced working hours on productivity, employee well-being, and the economy. The trial, which involved 4,000 workers across various sectors, was aimed at testing the feasibility of a shorter workweek without reducing pay. The results have been promising, and the trial has the potential to shape the future of work in a significant way.

Impact on Productivity

One of the main concerns about reducing working hours is that it may negatively impact productivity. However, the results of the trial suggest otherwise. In fact, many companies reported an increase in productivity, with workers being more focused, motivated and productive during their shorter workweek. This can be attributed to the fact that workers were given more time to rest and recharge, which ultimately led to better job satisfaction and higher levels of engagement.

Impact on Employee Well-Being

Another important aspect of the trial was its impact on employee well-being. Workers who participated in the trial reported feeling less stressed and more satisfied with their work-life balance. This is not surprising, given that a shorter workweek allows for more time for leisure activities, hobbies, and spending time with family and friends. This can have a positive impact on mental health and overall well-being, which can, in turn, lead to improved job performance.

Impact on the Economy

Reducing working hours may seem counterintuitive from an economic perspective, as it could lead to a decrease in productivity and output. However, the trial showed that a shorter workweek can actually have a positive impact on the economy. For example, workers who have more time to spend on leisure activities are likely to spend more money, which can stimulate economic growth. Additionally, companies that offer a shorter workweek may find it easier to attract and retain top talent, which can lead to increased innovation and competitiveness.

Future of Work

The success of the 4 day week trial in the UK has led many to believe that this could be the future of work. With the rise of automation and artificial intelligence, many jobs are becoming more efficient, and the need for long working hours is becoming less necessary. Additionally, younger generations are placing a higher value on work-life balance and are more likely to seek out companies that offer flexible working arrangements.

The Long Term Effect

It is difficult to say with certainty whether the increased productivity seen during the UK 4 day week trial can be maintained in the long term. However, there is some evidence from countries where the 4 day week is already the norm that suggests that productivity can be maintained or even increased.

For example, in Iceland, a trial of a shorter workweek was conducted in 2015-2019, which showed that productivity was maintained or improved in most workplaces, while employees reported better work-life balance and less stress. This led to a permanent shift towards a 4 day workweek in some workplaces. In New Zealand, a financial services company, Perpetual Guardian, conducted a 4 day workweek trial in 2018, which showed that productivity increased by 20%, and employees reported better work-life balance and improved job satisfaction. As a result, the company implemented a permanent 4 day workweek.

However, it is worth noting that the success of a shorter workweek depends on a variety of factors, including the type of work, the industry, the culture of the workplace, and the specific implementation of the policy. For example, a shorter workweek may not be suitable for certain industries that require longer hours or continuous operations.


The recent 4 day week trial in the UK has shown that reducing working hours can have a positive impact on productivity, employee well-being, and the economy. While there may be some challenges to implementing a shorter workweek, the benefits are clear. As we move towards a future of work that is more focused on well-being and flexibility, the 4 day week could become a game-changer for the way we work.

While the long-term effects of a 4 day week on productivity may vary depending on the context, there is evidence to suggest that productivity can be maintained or improved with a shorter workweek, as long as the policy is implemented effectively and in a way that is appropriate for the specific workplace.

#4DayWeek #FutureOfWork #WorkLifeBalance

This article was first published on 22/3/23.

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About the author


Darryl is a Chartered CIPD Member, business leader and operational manager with 30 years experience in on-the-ground and strategic HR, specialising in Human Resources Management, Employment Law, Employee Relations and Learning & Development.


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