Employee Turnover vs. Attrition: Key Differences and How to Manage Them
Employee turnover and employee attrition are two essential HR metrics that both describe employees leaving a company—but with different causes and implications. Understanding these differences helps businesses take the right actions to reduce costs, improve retention, and boost employee satisfaction.
This guide explains the differences between turnover and attrition, how to calculate their rates, common causes, and strategies for managing both to support long-term business success.
What is Employee Turnover?
Employee turnover is the rate at which employees leave a company and are replaced by new hires. Departures can be voluntary—resignations for better opportunities—or involuntary, such as layoffs or performance-based terminations. High turnover often leads to increased recruitment and training costs, lower productivity, and reduced morale.
For example, if a 100-person company loses 15 employees in one year, its annual turnover rate is 15%. Causes can include poor management, limited career growth, or uncompetitive pay and benefits. The financial impact can be steep, with replacement costs estimated at up to 33% of a departing employee’s salary. Beyond costs, turnover disrupts productivity and can leave remaining employees feeling uncertain about their job security.
What is Employee Attrition?
Employee attrition occurs when the workforce gradually shrinks without immediate replacement of departing employees. This often results from retirements, career changes, or restructuring where roles are phased out. Unlike turnover, attrition can be a deliberate strategy to downsize or align the workforce with business goals.
For example, a company may choose not to refill positions after retirements to control payroll costs. While attrition can save money, it may also lead to skill gaps if not managed through succession planning and knowledge sharing.
Employee Turnover vs. Attrition: The Key Differences
| Aspect | Employee Turnover | Employee Attrition |
|---|---|---|
| Definition | Employees leave and are replaced | Employees leave and are not replaced |
| Causes | Resignations, terminations, layoffs | Retirements, voluntary resignations, phased-out roles |
| Impact | Higher hiring and training costs | Potential cost savings, possible skill loss |
| Management | Retention programs, improved work environment | Succession planning, workforce realignment |
How to Calculate Turnover and Attrition Rates
Turnover Rate Formula
(Number of Separations ÷ Average Number of Employees) × 100
Example: 20 separations in a 100-person company = 20% turnover rate.
Attrition Rate Formula
(Number of Unfilled Departures ÷ Total Workforce) × 100
Example: 5 unfilled departures in a 200-person company = 2.5% attrition rate.
Main Causes of Employee Turnover
- Poor management: Micromanagement, lack of communication, and weak leadership.
- Limited career growth: Few development or promotion opportunities.
- Low engagement: Disconnection from company goals and culture.
- Industry trends: Seasonal or unstable industries often have higher turnover.
A healthy turnover rate is generally 10% or lower, though this varies by industry.
Main Causes of Employee Attrition
- Planned retirements or career changes.
- Restructuring that eliminates roles.
- Unplanned departures of key employees without replacements.
Natural attrition can align with business goals, but losing critical talent unexpectedly can disrupt operations and create leadership or skill shortages.
Strategies to Manage Turnover and Attrition
Reducing Turnover
- Strong onboarding and training programs.
- Clear career growth opportunities.
- Competitive pay and benefits.
Managing Attrition
- Succession planning for key roles.
- Knowledge sharing across teams.
- Identifying roles that may not require replacement.
How Turnover and Attrition Affect Business Performance
Both metrics impact productivity, costs, and company culture. High turnover increases hiring expenses and disrupts workflow. Poorly managed attrition can lead to critical skill gaps. On the other hand, planned attrition can help realign the workforce strategically.
Track and Improve Your Metrics with HR Tools
Monitoring turnover and attrition helps businesses make proactive improvements. Use tools like the OrientoApp Turnover Costs Calculator to estimate the financial impact, and OrientoApp’s people analytics to track engagement and performance.
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