iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Sometimes—but not automatically. Trials show that some employers can cut working time by about 20% without cutting pay while keeping output broadly stable or reporting improvements. The evidence does not prove that every organisation, industry, or job will become more productive.
The most important distinction is between a genuine reduction in weekly hours and compressing the same hours into four longer days. The evidence discussed here concerns reduced-hours models, supported by redesigned work practices and explicit measurement.
What “four-day workweek” means in the productivity research
In the UK pilot and the studies summarised by its researchers, a four-day week generally meant removing 20% of total weekly working time while keeping pay unchanged. Professor Brendan Burchell, Professor of Social Sciences at the University of Cambridge, described it as “short-hand for a ‘20% reduction in working time’.”
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →That definition excludes a common alternative: compressing the same weekly hours into four longer days. For example, moving from five eight-hour days to four ten-hour days changes the pattern of work but does not reduce total hours. It may suit some operations, yet it is a different intervention and should not be presented as the same policy tested in the UK trial.
#1 Best Overall
- Easily Stay On Track & Make The Most Of Your Time: ZICOTOs’ daily planner makes it easier than ever for you to stay organized, reduce stress & enjoy more free time! Arrange your schedule, priorities, to do’s and jot down plans & ideas on the daily notes section
- Smartly Plan Ahead & Boost Your Productivity: Absolutely clever & efficient! With the planner notebook you can break down your daily tasks into half-hourly focus blocks and map out priorities & follow-up duties to keep your day on track and enhance productivity
- Plenty Of Space For Efficient Planning: Stay focused & manage your time wisely! The 8.4x6.1” work planner & organizer notebook offers ample space for 105 days of life-changing planning with each day being spread across 2 pages - set yourself up for purposeful days
- Now Is The Best Time To Start: The daily planner is undated so you can start to add structure to your schedule and cultivate new planning habits right away! Beat procrastination, boost happiness & make each day count with the hourly planner
- Adds Beauty To Daily Planning: A gorgeous camel linen cover, chic golden letters, a gold ring wire and a clean, easy-to-use layout, elastic band - enjoy the lovely and modern design of the undated daily planner!
Schedules varied among participating organisations. Some closed for a common day, while others staggered days off, used annualised hours, decentralised arrangements, or made time off conditional on operational targets. The practical question is therefore not simply “four days or five?” It is how many hours are actually removed, whether pay is protected, and how customers and colleagues are covered.
What the UK pilot found about productivity
The largest widely reported UK trial ran from June through December 2022. Sixty-one organisations and about 2,900 employees took part. Employers committed to a 20% reduction in working time with no reduction in pay. Autonomy coordinated the pilot with 4 Day Week Global and the UK campaign; Cambridge researchers conducted qualitative interviews, while Boston College researchers led quantitative survey analysis. The design combined company records, employee surveys, and interviews rather than relying on one universal output test.
| Measure | Reported result | How to interpret it |
|---|---|---|
| Companies reporting productivity stayed the same | 46% of 41 responding companies in a 2022 survey | Employer assessment, not a standardised output-per-hour measurement |
| Companies reporting improved productivity | 34% | Employer assessment; the survey also listed a separate “significantly improved” category |
| Companies reporting significantly improved productivity | 15% | Reported by Alysia Blackham in 2025; percentages may not total 100% because of rounding or other response categories |
| Average revenue | Up 1.4% during the six-month trial among respondent organisations supplying data, weighted by company size | Revenue is a business outcome, not a direct productivity measure; a before-and-after pilot cannot by itself prove causation |
| Staff leaving | Down 57% during the trial | Reported by the Autonomy Institute in 2023; turnover can affect output and costs but is not itself a productivity rate |
These figures support a qualified conclusion: most responding employers reported productivity that was stable or better, while revenue was broadly similar. They do not establish a universal productivity gain or a single expected percentage increase for other employers.
Free tools Windows power users keep installed
One-click scans. No signup required.
What happened to employees and retention
The UK reports also recorded wellbeing and workforce outcomes. UK Research and Innovation (UKRI) reported that 39% of employees said they were less stressed and 71% reported reduced burnout at the end of the trial. UKRI later reported a 65% reduction in sick days and a 57% fall in staff leaving organisations. Those are outcomes reported by participating organisations and workers; they are not guaranteed effects in every sector.
Rank #2
- PRACTICAL AND VALUABLE -This undated weekly productivity notepad focus on the important work and get organized. Whether you're a project manager, small business owner, freelancer, academicians or master multitasker, the weekly to do list pad will be your new favorite daily office productivity planning tool.
- MINIMALISTIC & FLEXIBLE - It's a minimalist, dateless, flexible work calendar planner that you can start at any time. Weekly desktop planner has plenty of space to write your goal plan, work plan, student plan or personal schedule, keep track of priorities, and write notes on the back.
- DASHBOARD DESK PAD - The 8.5x12-inch week plan with 54 weeks is large enough for your scheduling and appointments full year. 120gsm high quality thick paper, The paper is thicker and slicker than regular note paper. Spiral binding, flip the page up and down to make writing more comfortable and convenient.
- LESS SCATTERED & MORE ORGANIZED - This weekly deskpad planner will completely change how you structure your work: by segmenting your tasks by area and tracking the most important details, you'll feel less scattered and more organized. We believe in helping you be fulfilled with your life and productive at the same time by using a weekly to do list notepad.
- IN A CLASS BY ONESELF - See your tasks and next steps for all of your projects in one week view. Stop the productivity-killing process of "context switching" and improve your productivity with features like: Weekly Theme and Highlights for at-a-glance planning Top 3 Priorities for the week 6 Focus Areas to segment and list tasks for goals, projects, or clients Daily Tracker for healthy habit-tracking and routine-tracking.
Continuation rates suggest that many employers considered the arrangement workable. In the initial follow-up, 56 of the 61 companies continued with a four-day week and 18 described it as permanent. A one-year follow-up by the Autonomy Institute found at least 54 of the 61 still operating the policy, with at least 31 making it permanent. The deeper follow-up research covered 28 organisations, and a separate staff survey covered 47, so those later samples were smaller than the original cohort.
Why output can stay stable when hours fall
The pilots did not generally ask people to perform the old job in 80% of the time by simply working faster. Employers redesigned how work was done. Reported changes included shorter meetings, fewer communication interruptions, clearer prioritisation, better use of technology, and revised coverage arrangements. Dr David Frayne, then a research associate at Cambridge, said the trial “revealed ways companies were successfully reducing working hours without compromising productivity, such as using technology or having shorter meetings.”
Meeting and communication redesign
Meetings consume time that is often distributed unevenly across a team. Organisations in the pilot experimented with shorter meetings, fewer recurring invitations, more deliberate agendas, and asynchronous updates. The productivity benefit comes from removing low-value coordination, not from labelling every meeting inefficient. A team that still needs a 60-minute incident review should not cut it to 30 minutes merely to meet a target.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Prioritisation and focus
With fewer available hours, teams have to identify work that can stop, be delayed, automated, or handed to another role. Limiting unnecessary context switching can make the remaining hours more effective. This approach is different from silently transferring the same workload into evenings or the nominal day off.
Rank #3
- Easily Stay On Track & Make The Most of Your Time: ZICOTOs’ daily planner makes it easier than ever for you to stay organized, reduce stress & enjoy more free time! Arrange your schedule, priorities, to do’s and jot down plans & ideas on the daily notes section
- Smartly Plan Ahead & Boost Your Productivity: Absolutely clever & efficient! With the planner notebook you can break down your daily tasks into half-hourly focus blocks and map out priorities & follow-up duties to keep your day on track and enhance productivity
- Plenty Of Space For Efficient Planning: Stay focused & manage your time wisely! The 9.3x6.3” (inner pages) work planner & organizer notebook offers ample space for 80 days of life-changing planning with each day being spread across 2 pages - set yourself up for purposeful days
- Now Is The Best Time To Start: The daily planner is undated so you can start to add structure to your schedule and cultivate new planning habits right away! Beat procrastination, boost happiness & make each day count with the hourly planner
- Adds Beauty To Daily Planning: A gorgeous champagne pink cover, chic gold foil letters, a golden ring wire and a clean, easy-to-use layout - enjoy the gorgeous and modern minimalist design of the undated daily planner!
Coverage and technology
Customer support, production, and other continuous operations may need staggered days off or annualised arrangements. Technology can remove repetitive steps, but automation also requires maintenance, training, and controls. Any claimed productivity improvement should be checked against service quality, error rates, and employee workload rather than judged only by speed.
Schedule designs and the trade-offs between them
| Design | Hours removed? | Coverage approach | Main issue to test |
|---|---|---|---|
| Common fixed day off | Usually yes, if weekly hours fall by 20% | Everyone is off on the same day | Customer access and deadlines on the closed day |
| Staggered days off | Usually yes | Different groups take different days | Handoffs, fairness, and coordination |
| Annualised or seasonal hours | Average reduction may be 20%, but weekly hours vary | More staff during peaks, less during quiet periods | Whether employees can predict and use their time off |
| Conditional day off | May be reduced, but depends on targets | Time off is granted when operational goals are met | Uncertainty and the risk that the “day off” is not genuinely protected |
| Four longer days | No | Same weekly hours compressed into four days | Fatigue, safety, and whether the longer shifts suit the work |
The one-year UK follow-up found staff concerns when the extra day off was weakly guaranteed or conditional on targets. Uncertainty made it harder for people to plan time away. A policy can therefore look like a four-day week on paper while delivering less benefit if employees must remain available or earn the day off repeatedly.
Does working four days make employees more productive?
It can, indirectly. More recovery time may reduce exhaustion, absence, and unwanted departures, leaving teams with greater continuity. Removing low-value work can also raise output per hour. But the available trials do not isolate one mechanism or provide an independently measured productivity effect that generalises across occupations.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteProductivity depends on what is being produced and how it is measured. A software team might track completed, quality-checked work; a manufacturer might track good units and downtime; a support operation might track resolved cases, response time, and customer satisfaction. A higher count with more defects or poorer service is not an improvement.
Rank #4
- Stay Organized and Focused: This planner is specifically designed to help individuals with ADHD or busy lifestyles prioritize their day with clear prompts, ensuring that the most important tasks are tackled first
- Comprehensive Layout: With 100 thoughtfully designed pages, including sections for daily scheduling, task prioritization, self-care, and brain dumps, this planner helps reduce distractions and keep your thoughts organized
- Motivation Through Rewards: Keep yourself engaged and motivated with built-in checklists and reward systems that make completing tasks more satisfying
- Flexible and Undated Design: Use this planner at your own pace—it's undated, so you can start anytime without worrying about wasted pages
- Durable and Convenient: Featuring a 7" x 10" size, a sturdy hardcover, and spiral binding for durability, this planner is easy to carry and perfect for daily use
How an organisation can test a reduced-hours week
A pilot is most informative when the policy and its measures are defined before the first shortened week.
- Define the intervention. Record the current weekly hours, the proposed reduction, pay protection, eligible roles, trial dates, and whether the day off is fixed, staggered, annualised, or conditional. State explicitly whether employees may be contacted on the day off.
- Choose a small set of outcome measures. Track output relevant to the work, output per paid hour, quality or rework, customer service, deadlines, absence, overtime, and voluntary turnover. Keep the definitions unchanged throughout the trial.
- Record a baseline. Use a consistent period before the change and note seasonal effects, staffing changes, major contracts, and unusual events that could affect results.
- Redesign work before cutting hours. Audit recurring meetings, approval steps, communication channels, handoffs, and repetitive tasks. Decide what will stop or change rather than assuming employees can absorb the same workload.
- Plan coverage. Map opening hours, response commitments, safety requirements, and dependencies between teams. A staggered rota may be necessary, but document who owns urgent work each day.
- Protect the day off. Set rules for emergencies, escalation, and compensation. If time off depends on targets, publish the targets and the decision process; otherwise employees may experience the arrangement as an on-call scheme.
- Review at set intervals. Check results during the pilot, at its end, and after implementation. Compare trends with the baseline and investigate quality, workload, and service data before declaring success.
Which productivity claims are justified?
The strongest defensible claim is that some participating employers maintained or improved reported productivity after reducing hours and pay was protected. The UK pilot’s revenue was broadly stable, and later follow-ups suggest the policy can persist for many organisations.
It is not justified to say that a four-day week always raises productivity, that every employee produces 25% more per hour, or that the UK results prove a causal effect for all industries. The trials differed in country, participant selection, hours removed, schedule design, productivity definition, and follow-up. Much of the evidence consists of employer or worker reports and pilot comparisons rather than a common, independently measured output-per-hour experiment.
Recommended Free Tools
A 2025 scholarly review also summarised productivity evidence from German and Australian trials and the Microsoft Japan experiment. Results differed by employer, measure, and implementation. One company’s figure should therefore not be used as the expected gain for another company’s workforce.
Best Value
- Efficient Weekly Planning - Utilize the 52 Weeks Undated Planner to articulate and prioritize weekly goals and to-do lists. Assign specific tasks to each week for optimal efficiency while allowing flexibility without guilt if a week is missed.
- Elegant and Compact Design - Enjoy a thick cover with gold coil, offering a romantic and gentle aesthetic. The weekly planner notebook's perfect size at 6.1'' x 8.2'' ensures easy portability, making it convenient for daily use.
- Cultivate Healthy Life Habits - Undated weekly planners, weekly goals, To Do list, and habit tracker together for daily affairs. Track healthy habits for each week and use the checkbox as a visual reminder.
- Premium Paper Quality - Experience a smooth writing surface on thick, 100gsm paper that prevents bleed-through. The planner ensures a high-quality feel and enhances the overall writing experience.
- Versatile Usage - Ideal for managing daily affairs, cultivating healthy life habits, and maintaining overall progress. A quick glance provides a comprehensive overview of chores, making it the perfect companion for effective time planning.
Common failure modes and how to correct them
The same workload is squeezed into fewer days
If employees regularly work late, answer messages on the nominal day off, or accumulate overtime, the policy has not delivered a genuine reduction in working time. Revisit priorities, staffing, and service commitments.
Only revenue is tracked
Revenue can remain stable while quality declines, or rise for reasons unrelated to the schedule. Pair financial results with output, quality, customer measures, absence, and hours actually worked.
The schedule ignores role differences
A common closure may work for an office but not for a 24-hour operation. Use staggered or annualised coverage where required, and explain how employees in different roles receive an equivalent benefit.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →The day off is conditional in practice
When targets are vague or frequently revised, employees cannot plan rest and may remain psychologically at work. Define objective rules and protect the time away from work.
What the evidence still cannot answer
No reviewed source establishes one causal estimate of objectively measured output per hour that applies across sectors and policy designs. It remains unclear how results vary by industry, the exact number of hours removed, service quality, and the durability of different schedule guarantees. Future comparisons should separate those factors instead of treating every four-day arrangement as one model.
For a reader deciding whether to propose a trial, the practical conclusion is narrower and more useful than a universal yes or no: a reduced-hours week can maintain or improve productivity when work is deliberately redesigned, coverage is credible, and outcomes are measured. It is a management and operating-model change, not merely an extra day added to the calendar.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
