Absenteeism and Mental Health in the Workplace

Updated13 August 2026

What is absenteeism and how does it relate to mental health

Absenteeism is the time an employee is scheduled to work but does not attend. In the Canadian context, absenteeism is often discussed alongside mental health, but the two are not the same thing. Employees miss scheduled work for many reasons, including physical illness, injury, disability, caregiving, transportation problems, workplace injury, public-health events, and personal circumstances. Mental-health-related absence is a subset of absenteeism attributed to a diagnosed mental disorder, psychological distress, work-related stress, or another mental-health concern, and attribution is often difficult because absence records do not always identify the underlying cause. Presenteeism, a related but distinct concept, describes attending work while ill or impaired and functioning below normal capacity. Understanding absenteeism therefore requires answering a central question: when does an absence reflect an individual health problem, a workplace condition, or both.^[1]^[9]

1. Defining and measuring absenteeism

Statistics Canada’s work-absence framework treats absence as a labour-market measure with multiple recorded reasons, including illness or disability, personal or family responsibilities, and other causes. Because this framework is based on Labour Force Survey data, it is a population-level measure rather than a clinical record of mental illness. Common absence metrics include incidence, duration, and days lost per full-time employee, and these measures answer different questions: how many employees are absent, how often they are absent, and how much work time is lost in total.^[1]^[2]

Absence rates are sensitive to their underlying definitions. A rate based on scheduled workdays, all employees, full-time employees only, or medically certified absences will produce different results, so any article or report that cites an absenteeism statistic should state the numerator, denominator, population, period, and reason-for-absence definition being used. Employer administrative records and population survey data should also not be treated as interchangeable: employer records may capture duration and claims but omit informal, short-term, or undisclosed mental-health-related absences, while population surveys capture self-reported health and work impacts but are subject to recall and reporting bias. Statistics Canada’s newer Canadian Survey on Working Conditions is designed to examine work conditions and their relationship with well-being, though its questionnaire is not itself an absenteeism estimate.^[1]^[3]

2. What causes workplace absenteeism

Absenteeism has many causes, and mental health is only one of them. Physical illness, injury, caregiving and family responsibilities, transportation and scheduling conflicts, and workplace injury all contribute to scheduled time missed. Psychosocial hazards are a further category of cause: the Canadian Centre for Occupational Health and Safety identifies workload, low control, poor communication, unfair treatment, inadequate support, and incompatible work-life demands as relevant workplace stressors associated with higher absence, turnover, and reduced productivity. These findings support treating absenteeism as connected to workplace risk factors rather than placing responsibility entirely on individual resilience.^[6]

3. Mental health, stress, and burnout

People living with mental-health conditions are more likely to experience sickness absence, and OECD evidence reports that they may be absent for substantially longer, with one cited analysis estimating 12 additional absence days per year compared with employees without such conditions. This is an association rather than proof that mental illness caused every individual absence. Depression and anxiety can affect both attendance and work capacity through several pathways: symptoms can make attendance difficult, treatment or recovery may require time away, workplace stressors may worsen symptoms, and fear of stigma may delay help-seeking or disclosure.^[4]^[5]

Burnout and absenteeism are related, but burnout should not be treated as a simple cause of absence. Burnout may be associated with sickness absence, reduced work ability, and eventual work disability, but the underlying studies vary in their definitions, designs, and outcome measures. A systematic review of burnout-related return-to-work interventions found limited evidence overall, though one workplace-directed intervention showed a significant improvement in return to work, from a small evidence base.^[7]

4. Absenteeism versus presenteeism

Presenteeism, attending work while ill or impaired, may conceal mental-health-related work impairment. Employees may attend work while experiencing depression, anxiety, exhaustion, or stress, resulting in reduced concentration, slower performance, errors, or lower work quality. Because presenteeism is harder to measure consistently than absence, organizations that focus only on attendance may underestimate the total effect of mental-health problems on the business. Absence and presenteeism together can function as indicators of psychosocial safety climate: high absence, frequent short-term leave, and high presenteeism may reflect workload, low psychological safety, stigma, weak organizational support, or a culture that discourages disclosure, rather than a lack of employee commitment.^[8]^[9]

5. What absenteeism costs in Canada

In 2022, 10.4% of Canadians aged 15 and over, nearly 3.1 million people, had a mental-health-related disability. This is a population disability statistic rather than a workplace absenteeism rate, but it is important context for understanding why mental-health-related work limitations and accommodation needs are significant in Canada. Government of Canada workplace material reports that approximately 30% of disability claims are related to mental-health problems or mental illness, though this figure is older and should not be presented as a current universal rate across all insurers, plans, industries, or claim types. The widely cited estimate that 500,000 Canadians miss work in a given week because of mental illness is similarly older and should be labelled accordingly rather than presented as a current surveillance estimate.^[10]^[11]^[12]

Cost estimates from different years and methodologies should not be mixed without explanation. The Mental Health Commission of Canada estimated that mental-health problems and illnesses cost the Canadian economy at least $50 billion annually, with a separate estimate of workplace productivity loss from absenteeism and presenteeism of approximately $6.4 billion in 2011. A newer estimate places the total Canadian economic burden of mental-health challenges at approximately $180 billion annually, with employers bearing more than half, but that figure includes disability claims, benefits, accommodations, productivity losses, health care, and other social costs rather than absenteeism alone, and should be used as broad economic context.^[13]^[14]

6. Workplace factors and psychological safety

Workplace conditions can be both causes of distress and barriers to recovery. The World Health Organization identifies excessive workload, low decision latitude, unpredictable schedules, insufficient staffing, harassment, bullying, discrimination, low recognition, poor supervisor support, and limited participation in decisions as relevant factors. Interventions that address these conditions are conceptually different from individual wellness programs. Psychological safety is relevant to absence because employees may hide distress or delay help-seeking when disclosure feels unsafe. Canadian workplace research emphasizes caring cultures, trust, open conversations, and reduced stigma, though many of these studies are observational, so they support an association and a practical rationale more strongly than a precise causal estimate of reduced absenteeism.^[15]^[16]

Manager behaviour matters, but manager training alone should not be presented as a proven absenteeism-reduction intervention. A meta-analysis found that manager training improves knowledge, attitudes, and self-reported supportive behaviour, with stronger evidence for these proximal outcomes than for downstream reductions in sickness absence.^[17]

7. What organizations can do

The World Health Organization recommends organizational interventions that modify or remove psychosocial risks, such as excessive workload, poor communication, violence, harassment, and inadequate control, rather than interventions that rely only on employee coping skills. These interventions may improve distress and work outcomes, but implementation quality and outcome certainty vary. Mental-health training should be presented as one component of a broader strategy alongside organizational interventions, reasonable accommodation, clinical or psychosocial support, and return-to-work programs. Training can improve awareness and behaviour, but it cannot compensate for excessive workload, unsafe management, inadequate staffing, or a stigmatizing culture.^[15]^[23]

8. Accommodation and return to work

A systematic review and meta-analysis of 42 studies found strong evidence for return-to-work interventions involving workplace contact and multicomponent approaches, moderate evidence for graded return to work, and useful evidence for stress-focused interventions, though effects were generally modest. Work-focused cognitive behavioural therapy and problem-solving interventions delivered through occupational health services may shorten time to first return to work, though effects on full-time return and symptoms are less consistent. Workplace-directed interventions can improve early return to work and reduce cumulative sick days, but evidence for lasting return is weaker, and some analyses suggest possible recurrence concerns.^[18]^[19]^[20]

Government of Canada guidance describes accommodation as modifying the work environment or job so an employee can remain at work or return safely and perform essential functions, emphasizing an ongoing process of assessing needs, implementing the accommodation, and monitoring whether it remains effective. Effective return-to-work planning is collaborative and may involve modified duties, reduced workload, schedule changes, and staged progression, with a preference for a return to the same job with temporary or permanent modifications before moving to less preferred alternatives.^[21]^[22]

9. What the evidence does and does not show

Evidence is relatively strong that mental-health conditions are associated with greater sickness absence and reduced work functioning, that absenteeism and presenteeism are distinct outcomes that should be measured separately, that psychosocial working conditions are relevant to mental-health risk, and that work-focused, multicomponent, and graded return-to-work interventions can improve some outcomes. Evidence is more mixed on whether manager training alone reduces absenteeism, whether generic wellness or education programs reduce sickness absence, and on the precise size of the causal effect of psychological safety on absence rates.^[17]^[18]

Several limitations apply across the evidence base. Employees may not disclose mental-health causes, and a single absence can have multiple contributing causes. Absence may also worsen financial stress, workload, job insecurity, or social isolation, which can then affect mental health, creating a reverse-causality problem. Measurement terms such as absenteeism rate, sick days, disability leave, and work disability are not interchangeable, and much of the intervention evidence comes from Europe or other high-income countries rather than from Canada specifically. Absence patterns after COVID-19 may also not be directly comparable with pre-2020 data because of hybrid work, changed infection patterns, labour shortages, and changes in reporting.^[1]^[9]

Absenteeism and Mental Health: 3 Things HR Can Do This Week

1. Separate the absence conversation from the blame conversation

HR can brief managers to treat rising absence in a team as a signal to investigate workload, scheduling, and support, rather than a signal to discipline individuals. A short manager script can help: ask what is making attendance difficult, listen for workplace-level patterns across the team, and route individual health disclosures to HR rather than asking for a diagnosis directly.^[6]^[16]

Outcome: Teams start treating absence data as an early signal of workload or psychosocial risk, consistent with a workplace-risk approach rather than an individual-blame approach.^[9]

2. Add a presenteeism question to your next pulse survey

HR can add one question to an existing engagement or wellness survey, such as “In the past month, how often did you work while feeling too unwell to perform at your normal level?” Tracking this alongside absence data gives a fuller picture of mental-health-related productivity loss that attendance records alone will miss.^[8]

Outcome: HR gains an early indicator of strain that shows up before it becomes a formal absence, supporting earlier and less costly intervention.^[9]

3. Review one team’s workload before reviewing its attendance record

HR can select a team with above-average absence and review workload, staffing levels, schedule predictability, and manager support before reviewing individual attendance records. Where psychosocial hazards are identified, HR and the manager can agree on one concrete change, such as redistributing a recurring task, adjusting a deadline, or clarifying role expectations.^[6]^[15]

Outcome: HR addresses a contributing workplace condition directly, rather than relying solely on individual-focused wellness messaging, aligned with WHO and Canadian occupational-health guidance.^[15]^[23]

Featured Resource: Mental Health Continuum Tool