The 40-Hour Workweek: An Opportunity for Productivity, Redesign

Imagine a Mexican company on any given weekday: a plant, a distribution center, a corporate office, a retail chain, or a service operation.

It is 5:45 p.m. The workday is almost over, but several things remain unresolved. A report requested too late. A meeting that could have been an email. An approval delayed because one signature is missing. A supervisor solving the same urgent issue for the third time this month. A team staying late, not necessarily because it is creating more value, but because the system has learned to compensate for its inefficiencies with additional time.

For years, many organizations have treated extended hours, overtime, and permanent availability as signs of commitment. Yet, that additional hour — the 41st, the 45th, or the 48th — has not always been a symbol of productivity. In many cases, it is simply the place where poor planning, bureaucracy, rework, manual processes, reactive leadership, and a lack of prioritization hide.

That is why Mexico's discussion around the reduction of the workweek should not begin with the question, "How many hours are we going to lose?" It should begin with a more uncomfortable, strategic question: "How much value are we really creating with the hours we already work?"

Mexico's move to reduce the legal workweek from 48 to 40 hours by 2030, through a gradual transition expected to begin in 2027, is not merely a labor compliance issue [1]. It is a structural invitation to rethink how companies produce, lead, measure, and organize work. This change could affect at least 13.5 million workers, confirming that this is not a marginal administrative adjustment, but a major labor transformation [2].

The risk is that many organizations will approach this shift strictly as a legal hurdle: modifying contracts, recalculating shifts, reviewing overtime, and updating internal policies. While necessary, compliance alone will not be enough. If companies treat the 40-hour workweek only as a legal project, they will likely respond with cost containment, operational stress, and short-term patches. If they treat it as a productivity redesign, they can use it as a catalyst for efficiency, leadership discipline, digital transformation, and sustainable performance.

From Controlling Hours to Managing Value

The first shift required is conceptual: moving from the control of hours to the management of value.

Mexico has long been among the OECD countries with the highest annual hours worked [3]. Yet, the real measure of productivity is not how much time people spend at work, but how much value is generated during that time [4]. This distinction matters because it fundamentally changes the conversation. The goal is no longer about who stays the latest, but which systems convert time into results most effectively.

In many organizations, the current 48-hour model has allowed inefficiencies to survive [5]. Long workweeks camouflage unnecessary meetings, unclear decision rights, duplicated activities, excessive approvals, manual reporting, and leadership that confuses urgency with importance. When there is always a surplus of time, the organization feels no pressure to simplify.

The 41st hour forces a different dialogue. It requires companies to separate activity from value. Not everything that occupies time produces results. Not every urgent task is strategic. Productivity is not the result of filling the calendar; it is the consequence of designing a system where priorities, processes, people, and technology are aligned toward value creation [3], [6].

Redesigning Work Before Increasing Headcount

This leads to a second implication: before assuming that fewer hours automatically demand more people, companies need to redesign the work itself.

In industries like manufacturing, logistics, retail, hospitality, security, and continuous operations, additional staffing will be necessary. It would be naive to deny the real pressure on shifts, coverage, and costs [5]. However, hiring more people simply to sustain inefficient processes only makes the problem more expensive.

Before increasing headcount, organizations must map workloads, identify bottlenecks, review approval flows, eliminate redundant reports, simplify meetings, automate repetitive tasks, and clarify decision-making. The real question is not just, "How do we cover the missing hours?" but rather, "Which work should disappear before those hours do?"

The reduction of the workweek will serve as a corporate maturity test. The most prepared companies will not necessarily be the largest or those with the biggest HR departments. They will be the organizations that truly understand how work flows across their business: where time is lost, where value is created, where decisions get stuck, and where employees are currently using sheer effort to compensate for broken systems.

Academic evidence strongly supports this approach. Research shows that the relationship between hours worked and output is not linear; after a certain threshold, output actually increases at a decreasing rate as hours rise [6]. More time does not equal more production.

The Leadership Test

A third issue is leadership. The 40-hour workweek will expose the quality of management.

When priorities are unclear, time pays the bill. When leaders do not delegate, teams stay late. When performance is measured by availability instead of outcomes, people learn to look busy rather than create value. This is critical in an environment where global employee engagement remains under immense pressure. Low engagement is estimated to cost the global economy US$10 trillion in lost productivity [7].

This is not a "soft" topic. Engagement, clarity, trust, and leadership discipline are hard economic variables. A poorly led organization needs more hours because it wastes energy. A well-led organization can do more with less because people know what matters, who decides, and how success is measured.

Work itself has become highly fragmented. Today, 68% of people say they do not have enough uninterrupted focus time during the workday [8], and workers spend up to 58% of their time on "work about work"-coordination, status updates, and searching for information [9]. The productivity problem is not just about the number of hours available; it is about the quality of how those hours are used.

Technology as a Productivity Lever

The workweek debate cannot be separated from digital transformation and artificial intelligence. If companies want to produce the same or more value in fewer hours, they must accelerate automation, data integration, digital workflows, and AI-supported productivity.

Generative AI and other cutting-edge technologies have the potential to automate work activities that currently absorb 60% to 70% of employees' time [10]. This does not mean people should be replaced; it means a massive portion of organizational time is spent on activities that technology can now simplify or eliminate. For instance, recent studies show that access to a generative AI assistant can increase employee productivity by 15% on average [11].

But a warning applies: automating without redesigning only accelerates disorder. A digital approval flow can still be bureaucratic. An AI tool can still produce noise if the organization lacks clarity. Technology should not be used to squeeze more out of workers, but to free human time for judgment, problem-solving, customer experience, and innovation.

Health, Fatigue, and Sustainable Performance

Long working hours are not just an operational variable; they are a severe health risk. Working 55 or more hours per week is associated with a 35% higher risk of stroke and a 17% higher risk of dying from ischemic heart disease compared to standard hours [12].

This matters for business. Occupational fatigue is a safety and productivity hazard, particularly when work systems depend on sustained attention or insufficient recovery time [13], [14]. The cost of burnout does not always appear immediately in financial statements, but it eventually shows up through impaired cognitive functioning, more frequent errors, absenteeism, and talent turnover [15]. Exhaustion is not an individual weakness; it is a systemic business risk. There is no sustainable productivity built on top of exhausted talent [16].

However, reducing the workweek will not automatically improve wellbeing. If companies reduce hours but maintain the same workload and ambiguity, pressure will simply be compressed into fewer hours [17]. The goal should not be to execute the same chaos, just faster. The goal is to redesign the system so people can perform with greater focus and energy.

The Evolution of Human Resources

This is where the role of HR must evolve. Human Resources can no longer limit itself to adjusting attendance controls and payroll rules. The CHRO has a mandate to become an architect of sustainable productivity, aligning the CEO, CFO, COO, and Technology leaders around one agenda: creating more value with better-designed work.

With 59% of workers requiring reskilling or upskilling by 2030 [18], organizations facing a shorter workweek must treat reskilling not as a peripheral initiative, but as the core of their productivity equation [10], [18]. This is HR's chance to move from an administrative function to a business-critical strategic partner.

The 41st Hour as a Mirror

The transition should begin well before the legal deadline. Organizations need governance frameworks that include workload diagnostics, process mapping, automation opportunities, and financial modeling. What is not measured before the reform will be impossible to manage after it.

Ultimately, the 41st hour can be read in two ways. For some organizations, it will be viewed purely as a loss: a missing hour, an additional cost, a pressure on margins. These companies will manage the reform defensively, late, and strictly as compliance.

But it can also be viewed as a mirror. The 41st hour reveals everything that companies have historically compensated for with more time: slow processes, late decisions, underused technology, and cultures that confuse availability with commitment.

The challenge for Mexico is not simply to work less by decree. The real challenge is to work better by design. The 40-hour workweek forces us to stop asking how long people remain at work, and start asking how much value our organizations are truly capable of creating with the time they have.

Are Mexican companies prepared to manage the 41st hour not as a loss, but as an opportunity for transformation?

Sources: 

[1] Reuters. (2024). Mexico approves bill cutting workweek to 40 hours by 2030.

[2] Associated Press. (2024). Mexican Congress approves trimming work week to 40 hours.

[3] OECD. (2025). OECD Compendium of Productivity Indicators 2025.

[4] OECD Data. (2025). GDP per hour worked.

[5] INEGI. (2024). Encuesta Nacional de Ocupación y Empleo (ENOE).

[6] Pencavel, J. (2014). The Productivity of Working Hours. Stanford Institute for Economic Policy Research / IZA Discussion Paper.

[7] Gallup. (2026). State of the Global Workplace 2026.

[8] Microsoft. (2023). Work Trend Index: Will AI Fix Work?

[9] Asana. (2023). Anatomy of Work Global Index.

[10] McKinsey & Company. (2023). The economic potential of generative AI: The next productivity frontier.

[11] Brynjolfsson, E., Li, D., & Raymond, L. R. (2023). Generative AI at Work. The Quarterly Journal of Economics.

[12] World Health Organization & International Labour Organization. (2021). Global, regional, and national burdens of ischemic heart disease and stroke attributable to exposure to long working hours. Environment International.

[13] Wong, K., Chan, A. H. S., & Ngan, S. C. (2019). The Effect of Long Working Hours and Overtime on Occupational Health: A Meta-Analysis of Evidence from 1998 to 2018. International Journal of Environmental Research and Public Health.

[14] Cunningham, T. R., et al. (2022). Work-related fatigue: A hazard for workers experiencing disproportionate occupational risks. American Journal of Industrial Medicine / NIOSH.

[15] Salama, W., Abdou, A. H., Mohamed, S. A. K., & Shehata, H. S. (2022). Impact of Work Stress and Job Burnout on Turnover Intentions.

[16] Bakker, A. B., & Demerouti, E. (2007). The Job Demands-Resources model: state of the art. Journal of Managerial Psychology.

[17] Fan, W., Schor, J. B., Kelly, O., Gu, G., & Bezdenezhnykh, T. (2025). Work time reduction via a 4-day workweek finds improvements in workers' well-being. Nature Human Behaviour.

[18] World Economic Forum. (2025). Future of Jobs Report 2025