Workplaces are evolving rapidly, placing greater demands on employees to be creative, adaptive, and consistently productive. At the same time, economic uncertainty, caregiving strain, and sustained workload pressure are increasing stress levels across the workforce.

The scale of mental health strain is significant. Globally, depression and anxiety account for an estimated 12 billion lost working days each year.

But these global figures don’t fully capture what’s happening inside organizations today.

Modern Health’s recent workforce research found:

• 75% of employees report experiencing low mood
• 62% say they’ve felt pressured to work through burnout or mental health struggles
• 77% of employees who experienced a mental health crisis continued working through it

The cost of mental health strain is not hypothetical. It is unfolding in real time, often quietly.

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The Cost of Untreated Mental Health Conditions

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Untreated depression, anxiety, and chronic stress affect nearly every aspect of an individual’s life, including focus, relationships, physical health, and workplace performance.

Because these impacts rarely appear as a single expense line, organizations often underestimate how quickly the costs accumulate.

Globally, depression and anxiety are estimated to cost the economy roughly $1 trillion annually in lost productivity. In the United States alone, untreated mental illness is projected to cost hundreds of billions annually due to absenteeism, presenteeism, unemployment, and health care utilization.

Yet even when employers recognize the importance of mental health, access remains uneven. Structural barriers, stigma, cost concerns, and fragmented delivery systems leave many employees without meaningful support.

In fact, only 36% of employees say their benefits adequately support their mental health needs.

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How Mental Health Strain Shows Up at Work

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The business impact of untreated mental health concerns typically emerges across four channels:

• Decreased output and productivity
• Increased absenteeism
• Increased presenteeism
• Increased turnover

Each can erode performance and culture over time.

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Decreased Output and Productivity

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Mental health strain often goes unnoticed until performance metrics begin to slip.

Employees experiencing depression or chronic stress may struggle with:

• Concentration
• Decision-making
• Problem-solving
• Sustained engagement

Over time, these challenges compound into missed deadlines, increased rework, and slower team performance.

Because many employees continue working through distress, leaders may not recognize the early warning signs. As noted above, 77% of employees who experienced a mental health crisis stayed on the job during that time.

The result: productivity loss that is real but difficult to measure.

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Increased Absenteeism

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Absenteeism is one of the more visible costs of mental health strain.

Symptoms such as low energy, sleep disruption, and difficulty concentrating can drive unplanned absences or extended recovery periods. Workers with fair or poor mental health report significantly more unplanned absences each year compared to their peers.

Gallup estimates each missed workday costs employers approximately $340 for full-time employees and $170 for part-time employees. Even modest reductions in mental health–related absence can translate into meaningful savings.

However, absence is only part of the picture.

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Increased Presenteeism

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Presenteeism—working while unwell and unable to perform at full capacity—often carries a greater cost than absence.

Because employees feel pressure to “push through,” productivity declines quietly. Decision-making slows. Collaboration weakens. Recovery is delayed.

Modern workforce data reinforces this pattern:

• 62% report feeling pressured to work through burnout
• 68% report feeling guilty for prioritizing their mental health

When workplace culture discourages stepping away or seeking support, performance erosion becomes structural.

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Increased Turnover

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Mental health strain is increasingly tied to retention risk.

In a recent workforce study:

• 38% of employees said lack of mental health support makes them less likely to stay at their job—rising to 60% among Gen Z
• 54% reported hiding their struggles to avoid appearing weak

Turnover carries substantial direct and indirect costs:

• Recruitment and hiring expenses
• Training and ramp-up time
• Lost institutional knowledge
• Decreased morale among remaining employees

Because mental health and working conditions are tightly linked, organizations that overlook psychological wellbeing often experience compounding turnover cycles.

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Wellbeing, Engagement, and Retention

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Wellbeing encompasses physical, emotional, social, financial, and community dimensions (Gallup, 2022). While physical health is one component, mental and emotional wellbeing influence nearly all other domains.

Gallup’s research shows employees who are thriving in their wellbeing are:

• 71% less likely to experience frequent burnout
• 69% less likely to actively search for a new job

Similarly, Aon’s Global Wellbeing Survey indicates employees who feel their organization cares about their wellbeing are significantly less likely to leave and more likely to be engaged.

Yet acknowledgment alone is not enough.

If employees do not perceive their mental health benefits as accessible, relevant, or culturally responsive, engagement remains low. As noted earlier, only 36% feel their benefits adequately meet their mental health needs

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Why Employers Must Rethink Mental Health Benefits

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Public health guidance now emphasizes a multilayered approach to workplace mental health:

• Address organizational risk factors such as excessive workload and low autonomy
• Promote mental health proactively
• Provide access to evidence-based, culturally responsive care

This means moving beyond fragmented or crisis-only offerings and toward integrated strategies that:

• Support prevention and early intervention
• Offer multiple modalities of care
• Train managers to respond appropriately
• Measure impact across absenteeism, presenteeism, engagement, and retention

Organizations that rigorously measure both financial return and value of impact can build a stronger case for sustained investment in mental health infrastructure.

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Creating a More Resilient Workforce

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The future of workplace mental health depends on employers’ willingness to treat it as foundational, not optional.

Evidence-informed approaches include:

• Redesigning work to reduce psychosocial risk
• Equipping managers to recognize and respond to distress
• Ensuring accessible, affordable, and culturally competent care
• Building cultures where seeking support is normalized

When organizations embed mental health into their broader talent and performance strategies, they unlock greater engagement, resilience, and long-term productivity.

Investing in mentally healthy workplaces is not simply about avoiding costs. It is about strengthening the human systems that drive sustainable performance.