Workplace absenteeism: causes, calculation and management | absentify
Absenteeism covers every working day on which an employee does not perform their job — whether due to sickness, an unexcused absence, or annual leave. According to the CIPD Health and Wellbeing at Work 2024 survey, sickness absence in the UK reached 7.8 days per employee on average, the highest level in more than a decade.
Absenteeism: The Essentials at a Glance
- Absenteeism covers any time off taken by an employee, split between excused absences such as sickness or annual leave and unexcused absences with no legitimate reason.
- The absence rate is calculated using the formula: (lost days ÷ scheduled working days) × 100. Across the EU, average sickness absence in 2024 stood at around 4.2 % of usual hours worked according to Eurostat.
- The most common drivers in 2024–25 are musculoskeletal disorders, respiratory infections and mental-health conditions, with the latter showing the strongest year-on-year growth.
- absentify shows absences directly in Microsoft Teams and Outlook, syncs the data with Microsoft 365, and delivers analytics via the Power BI integration for strategic absence management.
What Is Absenteeism and Which Types Exist?
Absenteeism covers all working days on which an employee does not work. Employment law distinguishes excused absences with a legitimate reason from unexcused absences.
| Type of absence | Examples | Consequence for the employer |
|---|---|---|
| Excused absences | Certified sickness, annual leave, special leave, maternity leave | Statutory sick pay or continued pay obligations under local employment law |
| Unexcused absences | No-shows without reason, late sickness notification | Formal warning, dismissal in case of repetition |
| Special cases | Caring for a child, public-authority appointments | Partly paid time off in many jurisdictions |
In vocational training, separate thresholds apply per training school and chamber of commerce; an absence rate above ten percent often puts admission to the final exam at risk. Schools likewise respond to unexcused absences with disciplinary or compulsory-education procedures, depending on the jurisdiction.
How Do You Calculate Absenteeism?
To calculate absenteeism you use the absence rate. It is the most important KPI in HR controlling and shows the share of lost days against the scheduled working days.
For context: the UK figure of 7.8 sick days per employee reported by CIPD corresponds to around 3.5 % absence rate, while EU-wide averages reported by Eurostat sit between 4 % and 5 %. Industries with physical workloads — such as care, logistics and manufacturing — sit well above that. For a clean analysis it pays to track sick leave centrally and to segment by department and weekday.
What Is Driving Rising Absence Rates?
Rising absences in 2024–25 had three main drivers: musculoskeletal disorders, respiratory infections and mental-health conditions. The CIPD reported mental ill-health as the most common cause of long-term absence in the UK, with stress-related absences continuing to grow year on year.
Warning signs in your absence data:
- Weekday clustering: spikes on Mondays and Fridays
- Concentration in specific departments or under specific managers
- Repeated short-term absences of less than three days
- Sharp increases following restructurings or tool changes
A well-designed absence-rate management process helps you respond to these warning signs and to calculate sickness rate reliably.
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How Can You Capture Absenteeism Digitally?
Digital absence management makes patterns visible and provides both early warnings and data for further measures and decisions.
- Visibility: All absences captured in real time, across every department.
- Pattern recognition: Analysis by weekday, season, team and root cause.
- Early warnings: Alerts for unusual clustering or burnout indicators.
absentify covers these requirements directly inside Microsoft 365. Absences appear in Teams and Outlook without HR or employees switching between applications. Through the Power BI integration you can build absence dashboards with year-on-year comparisons, department filters and trend analysis.
- Automatic calculation of absence and sickness rates straight from the recorded absence data.
- Early-warning system for unusual clustering plus a complete sick-note history to support continued-pay obligations.
- Role-based access controls and EU hosting on Microsoft Azure for the lawful processing of sensitive data.
- Power BI integration for in-depth trend analysis and individually configurable reports for management.
Capture and calculate absenteeism directly in Microsoft 365 with absentify
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Absenteeism – Frequently Asked Questions
About the author
Anna Keller
Content manager at absentify
As a blog author at absentify, Anna Keller explains how companies can efficiently manage absences, vacations, and working hours. In her articles, she combines HR practice with Microsoft 365 tips for Outlook and Teams and provides templates, step-by-step instructions, and software comparisons for modern, digital processes.
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