HR efficiency estimator
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Employee attrition
What is employee attrition?
What is employee attrition?
Employee attrition is the reduction of a workforce that happens when employees leave and their positions are not filled again. Departures can be resignations, retirements or contracts ending. What makes it attrition is that the company chooses not to replace the person, or takes a long time to do so.
Some companies use attrition on purpose: instead of laying people off, they freeze hiring and let headcount fall naturally. Others suffer it when they cannot find replacements. That is why it is worth tracking alongside employee turnover.
Attrition vs. turnover
Attrition | Turnover | |
|---|---|---|
What happens to the role | Left vacant or eliminated | Refilled |
Effect on headcount | Goes down | Stays about the same |
What it usually signals | Planned downsizing or hiring difficulties | Normal movement or retention problems |
How to calculate the attrition rate
Attrition rate = departures not replaced in the period ÷ average headcount in the period × 100
Example: a company has an average of 200 employees over the year. 25 people leave and 15 are replaced. The 10 roles left unfilled give an attrition rate of 10 ÷ 200 × 100 = 5%. The turnover rate counts all 25 departures: 25 ÷ 200 × 100 = 12.5%.
Types of attrition
Type | Example |
|---|---|
Voluntary | Resignations the company decides not to backfill |
Involuntary | Layoffs or contracts ending without a replacement |
Retirement | Employees who retire and whose role is eliminated |
Internal | Employees who move to another team, leaving their old role open |
Common causes
- Below-market pay or no visible career growth.
- A poor relationship with the manager or a difficult culture.
- Heavy workload and burnout.
- Restructuring, automation or strategy changes that make some roles unnecessary.
- Hard-to-fill skills that leave roles open for months.
How to reduce unwanted attrition
- Track the rate by team and manager, not just company-wide.
- Run exit interviews and group the reasons.
- Benchmark pay and benefits against the market.
- Make career paths visible and promote internal moves.
- Survey engagement regularly and act on the results.
- Plan succession for critical roles before they become vacant.
How PeopleForce helps
HR analytics reports show departures by department, reason and period. Core HR records the reason for each exit and runs offboarding, and Pulse measures eNPS and engagement so you can spot flight risk early.
FAQ
What does attrition mean in HR?
It means the workforce is shrinking because people leave and their positions are not refilled, either by choice or because the company cannot find replacements.
Is attrition bad?
Not always. Planned attrition is an orderly way to reduce costs without layoffs. It becomes a problem when key people leave and cannot be replaced.
What is a good attrition rate?
It depends on the industry and the company's plans. More useful than any benchmark is the trend over time and the comparison between teams.
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