Workforce & Retention

Absenteeism Rate

Also known as Absence Rate, Unplanned Absence Rate

Absenteeism rate is the percentage of scheduled working time lost to unplanned absence. It excludes booked holiday and approved leave, isolating the unscheduled absence that disrupts coverage and often signals burnout or disengagement before turnover does.

Formula

Absenteeism Rate (%) = (Days of unplanned absence ÷ Total scheduled working days) × 100

Calculate on scheduled days rather than calendar days, and exclude planned holiday, parental leave and other approved long-term absence, which belong in their own measure.

Worked example

Scenario
A 200-person team over a quarter with 62 scheduled working days each, recording 918 days of unplanned absence.
Calculation
Total scheduled days = 200 × 62 = 12,400. (918 ÷ 12,400) × 100
Result
7.4% absenteeism — well above a typical threshold and worth investigating

What good looks like

Unplanned absence of around 2–4% of scheduled time is a common range for office-based workforces. Frontline, shift and healthcare settings typically run higher. Sustained movement above your own baseline is more meaningful than the absolute figure.

Why absenteeism rate matters

Absenteeism is one of the few behavioural signals available before someone disengages visibly. Rising unplanned absence in a specific team frequently precedes a rise in that team's voluntary turnover, which makes it useful as an early warning rather than just a cost metric.

How to improve it

  • 1Track by team and manager, not just company-wide — absence concentrates.
  • 2Look at pattern as well as volume: frequent short absences and rare long ones indicate different problems.
  • 3Cross-reference with workload and overtime data before concluding it is an engagement issue.
  • 4Pair with engagement and well-being survey results for the same teams to confirm or rule out burnout.

Common mistakes

  • Including approved holiday, which makes the metric meaningless.
  • Treating it purely as a conduct issue when it is often a workload or health signal.
  • Comparing office and frontline populations against the same threshold.

Frequently asked questions

Does absenteeism include holiday?

No. Absenteeism measures unplanned, unscheduled absence. Booked holiday, parental leave and other approved leave are planned and should be excluded or tracked separately.

What is the Bradford Factor?

It is a related score that weights frequency of absence more heavily than duration, using S² × D (number of spells squared, times total days). It highlights repeated short absences, which disrupt coverage more than a single long one.

Related metrics

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