How to Calculate Employee Retention Rate: Formula, Example, and Best Practices

3 Jul 2026
16 min read
How to Calculate Employee Retention Rate: Formula, Example, and Best Practices

Quick Answer

  • Employee Retention Rate measures the percentage of employees who remain with an organization during a specific period.

  • Formula: (Employees Remaining ÷ Employees at the Start of the Period) × 100

  • Employees Remaining = Employees at the End of the Period − New Hires

  • A higher retention rate generally indicates stronger workforce stability, employee satisfaction, and effective retention strategies.

  • Tracking employee retention helps organizations improve workforce planning, reduce turnover costs, and strengthen long-term employee retention.

What Is an HR Metric?

An HR metric is a measurable value that helps organizations evaluate the effectiveness of their human resources initiatives and overall workforce performance. HR metrics provide valuable insights into areas such as recruitment, retention, employee engagement, attendance, learning and development initiatives, performance, compensation, and workforce planning. 

By monitoring these metrics consistently, organizations can uncover workforce trends, solve business challenges proactively, improve employee experiences, and align HR strategies with organizational goals.

Employee Retention Rate is one of the most important retention HR metrics because it measures an organization's ability to retain employees over time and reflects workforce stability, employee satisfaction, and the success of retention initiatives.

 In this guide, you'll learn what Employee Retention Rate is, how to calculate it using the standard formula, review a practical example, understand why it matters, avoid common calculation mistakes, and discover best practices for improving employee retention.

What Is Employee Retention Rate?

Employee Retention Rate measures the percentage of employees who stay with an organization during a defined period.

Unlike turnover, which focuses on employees leaving, retention focuses on employees who remain.

A strong retention rate often indicates:

  • Higher employee satisfaction

  • Better workplace culture

  • Effective leadership

  • Strong employee engagement

  • Competitive compensation and benefits

Tracking retention helps HR leaders understand workforce stability and identify potential retention risks before turnover increases.

According to Gallup, employees who are engaged at work are significantly less likely to leave their organization, highlighting the strong relationship between employee engagement and long-term retention.


How to Calculate Employee Retention Rate

Calculating the Employee Retention Rate helps organizations understand how successfully they retain employees over a specific period. By following the steps below, you can accurately measure your organization's employee retention percentage, evaluate workforce stability, and identify opportunities to improve long-term retention.

Step 1: Count Employees at the Start of the Period

Determine the total number of employees in your organization at the beginning of the selected reporting period. This will serve as the baseline for your retention calculation.

Step 2: Calculate Employees Remaining

Determine how many employees from the original workforce remained with the organization by subtracting new hires from the total employee count at the end of the reporting period.

Employees Remaining = Employees at the End of the Period − New Hires

Step 3: Apply the Employee Retention Rate Formula

Divide the number of employees who remained by the number of employees at the start of the reporting period, then multiply the result by 100.

Employee Retention Rate (%) = (Employees Remaining ÷ Employees at the Start of the Period) × 100

Step 4: Interpret the Results

The final percentage represents your organization's Employee Retention Rate. A higher retention rate generally indicates stronger workforce stability, effective employee retention strategies, and a positive employee experience. Monitor this metric regularly to identify retention trends, evaluate HR initiatives, and make informed workforce planning decisions.


How to Calculate Employee Retention Percentage: A Simple Example

Example Data

Metric

Value

Employees at start of year

200

Employees at end of year

220

New hires during year

40

Employees remaining

180

Final retention rate

90%

Calculation Walkthrough

Step 1: Calculate Employees Remaining

220 − 40 = 180

Step 2: Apply Formula

(180 ÷ 200) × 100

= 90%

Result

The organization's Employee Retention Rate is 90%.

This simple employee retention calculation can be performed monthly, quarterly, or annually.

Why HR Teams Should Track Employee Retention Rate 

Flat vector illustration representing the Employee Retention Rate HR metric, featuring employees protected by a shield and supportive hand at the center, surrounded by icons for employee engagement, career growth, recognition, workplace well-being, work-life balance, feedback, workforce stability, and performance analytics connected in a circular workflow to illustrate long-term employee retention and talent management.
  • Reduces recruitment and onboarding costs by retaining experienced employees and minimizing the need for frequent hiring.

  • Improves productivity and team performance because long-term employees understand processes, collaborate more effectively, and require less supervision.

  • Preserves valuable knowledge and expertise, reducing the risk of losing critical skills when experienced employees leave.

  • Strengthens employee engagement and workplace culture, creating a more motivated, collaborative, and committed workforce.

  • Supports workforce planning by helping HR leaders forecast hiring needs, succession plans, and future talent requirements more accurately.

  • Tracks the Employee Retention Rate over time to identify retention trends, high-performing teams, and areas that may require additional support.

  • Improves employee retention metrics by helping organizations evaluate the effectiveness of career development, recognition programs, flexible work policies, and compensation strategies.

  • Increases the employee retention percentage by identifying retention risks early and enabling proactive actions to improve workforce stability.

  • Enhances customer experience and business continuity, as experienced employees deliver more consistent service and maintain stronger customer relationships.

  • Supports smarter HR and business decisions by providing actionable insights into workforce stability, talent management, and long-term organizational growth.


Common Employee Retention Calculation Mistakes

Even a small mistake in calculating Employee Retention Rate can lead to inaccurate workforce insights and poor HR decisions. Avoiding these common calculation errors helps ensure your retention data is reliable, consistent, and useful for long-term workforce planning.

Mistake

Best Practice

Including new hires in retained employees

Exclude new hires from retention calculations

Using ending headcount only

Use starting employee count as the baseline

Measuring inconsistently

Track retention monthly, quarterly, and annually

Ignoring department-level trends

Analyze retention by team, role, and location

Comparing different time periods

Use consistent reporting periods

Focusing only on company-wide data

Review retention at multiple organizational levels

What Is a Good Employee Retention Percentage?

There is no single "good" employee retention rate because the ideal percentage varies based on an organization's industry, company size, workforce demographics, job roles, geographic location, and business model. For example, industries with seasonal or high-volume hiring often have different retention expectations than organizations with specialized or long-term roles.

Rather than focusing on a universal benchmark, organizations should evaluate employee retention percentage by monitoring:

  • Historical retention trends

  • Department and team comparisons

  • Industry benchmarks (where available)

  • Voluntary and involuntary turnover patterns

  • Employee engagement and career progression

A declining retention rate may indicate underlying issues such as low employee engagement, limited career development opportunities, ineffective leadership, inadequate compensation, or workplace culture challenges. Monitoring retention consistently helps organizations identify these issues early and implement targeted retention strategies before turnover increases.

Quick Tip

Measure Employee Retention Rate regularly—monthly, quarterly, and annually—to identify trends and evaluate the effectiveness of your retention strategies. Consistent tracking helps HR teams detect potential workforce risks early, improve employee experience, and make informed talent management decisions.

For a more complete view of workforce health, analyze Employee Retention Rate alongside:

  • Employee Turnover Rate

  • Employee Engagement Score

  • Absenteeism Rate

  • Internal Mobility Rate

  • Employee Satisfaction Score

The Society for Human Resource Management (SHRM) also recommends monitoring retention alongside workforce metrics and internal mobility to gain a more complete view of organizational health and employee experience.

Reviewing these HR metrics together provides deeper insights into workforce stability, employee loyalty, and long-term organizational performance, enabling HR leaders to make

Learning the formula is only the first step. Reinforce your understanding by testing your knowledge with practical HR metric questions.

Test your HR knowledge with our HR Metrics Quiz and see how well you understand the most important workforce metrics.

Frequently Asked Questions (FAQs)

What is employee retention rate?

Employee Retention Rate is the percentage of employees who remain employed by an organization during a specific period.

How often should retention rate be measured?

Most organizations track retention monthly, quarterly, and annually to identify workforce trends and retention risks.

What is the employee retention formula?

The standard employee retention formula is:

(Employees Remaining ÷ Employees at the Start of the Period) × 100

Why is employee retention important?

Retention affects productivity, employee engagement, hiring costs, workforce stability, and long-term organizational success.

Final Thoughts 

Employee Retention Rate is more than a workforce metric—it reflects how effectively an organization attracts, supports, and retains its people. Regularly monitoring retention helps HR leaders identify workforce trends, reduce unwanted turnover, and strengthen long-term organizational performance. 

Want to explore more workforce KPIs? Discover our detailed guide covering over 75 HR Metrics, including formulas, examples, and practical use cases for recruitment, retention, engagement, performance, and workforce planning.

Vivetha V

Vivetha is a digital marketing professional specializing in content marketing and SEO. She focuses on developing optimized, high-quality content that improves search visibility, supports brand objectives, and drives measurable results. With a structured and analytical approach, she ensures content aligns with business and audience needs.