Employee retention rate is one of the most important workforce metrics for growing organizations.
It directly affects hiring costs, productivity, employee morale, and long-term business performance.
Understanding how to calculate employee retention rate allows leaders to measure workforce stability, identify risks early, and make data-driven people decisions.
In this guide, we explain the employee retention rate formula, walk through real examples, highlight common mistakes, review benchmarks, and share proven strategies to improve retention.
What Is Employee Retention Rate?
Employee retention rate measures the percentage of employees who stay with a company over a specific period of time.
It reflects how effectively an organization retains its existing workforce.
Retention rate is expressed as a percentage:
- High retention rate → strong engagement, satisfaction, and leadership
- Low retention rate → potential issues with culture, management, or compensation
Employee retention rate is closely related to employee turnover, but the two are not the same.
- Retention rate focuses on employees who stay
- Turnover rate focuses on employees who leave
Used together, they provide a complete picture of workforce health.
Why Employee Retention Rate Matters
Tracking employee retention rate helps organizations:
- Reduce recruiting and training costs
- Maintain institutional knowledge
- Improve productivity and team continuity
- Strengthen company culture and morale
- Compete more effectively in tight US labor markets
Low retention increases workload for remaining employees and can damage employer brand over time.
Monitoring retention trends allows leaders to take corrective action before problems escalate.
The Correct Employee Retention Rate Formula
The most accurate employee retention rate calculation measures how many employees who were present at the beginning of a period remain at the end.
Employee Retention Rate Formula
Employee Retention Rate =
((Employees at End of Period – New Hires During Period) ÷ Employees at Start of Period) × 100
This formula answers the most important retention question:
“How many of our original employees did we retain?”
Because new hires are excluded, retention rate will never exceed 100%, making this the most reliable and widely accepted method.
Why Some Retention Calculations Are Misleading
Some organizations calculate retention using:
(Employees at End ÷ Employees at Start) × 100
While simple, this approach includes new hires, which can inflate results and produce retention rates over 100%.
This calculation reflects workforce growth, not true employee retention.
For accurate analysis and benchmarking, always exclude new hires from retention calculations.
How to Calculate Employee Retention Rate Step by Step
Follow these steps to calculate employee retention rate correctly.
Step 1: Choose a time period
Common periods include monthly, quarterly, or annual. Annual retention rates are most often used for benchmarking.
Step 2: Count employees at the start
Record the total number of employees on the first day of the period. Be consistent about who is included.
Step 3: Count employees at the end
Record the total number of employees on the last day of the period.
Step 4: Count new hires
Track all employees hired during the period.
Step 5: Apply the employee retention rate formula
Example Calculation
- Employees at start: 100
- Employees at end: 110
- New hires during period: 20
Employee retention rate:
((110 – 20) ÷ 100) × 100 = 90%
This means the organization retained 90% of its original workforce.
Common Employee Retention Rate Calculation Mistakes
Avoid these frequent errors when calculating retention rate:
- Using inconsistent timeframes
- Including contractors or temps inconsistently
- Forgetting to subtract new hires
- Using average headcount instead of starting headcount
- Failing to separate voluntary and involuntary exits
Consistency and clear definitions are essential for reliable retention metrics.
Employee Retention Rate Benchmarks in the US
Employee retention rate benchmarks vary by industry and region.
In general, recent US data suggests retention rates often fall in the mid-to-high 80% range, though results vary widely.
- Higher retention: government, education, finance
- Lower retention: retail, hospitality, food service
- Variable retention: technology and startups
Rather than relying only on external benchmarks, track your internal retention trends over time for the most meaningful insights.
What Affects Employee Retention Rate?
Several factors influence employee retention:
- Career development and advancement opportunities
- Manager effectiveness and leadership quality
- Work-life balance and flexibility
- Compensation and benefits
- Recognition and employee engagement
- Remote and hybrid work options
- Local labor market conditions
Improving retention requires addressing multiple factors, not just compensation.
How Outsourcing Can Improve Employee Retention Rate
Strategic outsourcing can support higher employee retention rates.
By partnering with providers like Emberscale, businesses can reduce administrative workload and operational strain.
This allows internal teams to focus on meaningful, high-value work while lowering burnout and turnover risk.
Outsourcing also provides scalable expertise without expanding internal headcount, creating space for employee growth and innovation.
HR Services
Our HR services encompass compliance advisory, policy development, and employee relations management.
We handle everything from onboarding to exit processes, ensuring adherence to UK employment law.
This proactive approach substantially reduces tribunal exposure by embedding best practices.
Custom audits identify gaps, while ongoing support keeps your team aligned.
Recruitment
Emberscale’s recruitment solutions deliver efficient talent acquisition without the overheads.
We source, screen, and onboard candidates tailored to your needs.
Our methods prioritise diversity and fairness, minimising bias claims.
Partnering with us means accessing a vetted pool, faster than in-house efforts.
Sales Training
Elevate your team’s performance through our bespoke sales training programmes.
We cover negotiation, objection handling, and closing techniques.
Delivered via workshops or online modules, these sessions boost revenue while fostering ethical selling.
Results include higher close rates and reduced compliance risks in client interactions.
Outsourced Sales
For scalable growth, our outsourced sales teams manage lead generation to deal closure.
We integrate seamlessly, using data-driven strategies for optimal ROI.
This model proves substantially cheaper than building internal squads.
Track progress with real-time dashboards, ensuring alignment with your goals.
SEO Services
Enhance visibility with our SEO services, optimised for search engines and generative AI.
We conduct audits, keyword research, and content strategies.
On-page tweaks and link-building drive organic traffic affordably.
Expect sustained rankings without the expertise burden.
Video Production
Our video production crafts compelling narratives for marketing and training.
From script to final edit, we produce high-quality content.
Use videos for employee inductions or sales pitches to engage audiences.
This visual edge strengthens branding while supporting internal communications.
Contact Emberscale
If you’re looking for expert support, Emberscale is here to help.
US contact number: 888-400-9953
Q&As About Employee Retention Rate
Q1: How do you calculate employee retention rate correctly?
Employee retention rate is calculated by subtracting new hires from the ending headcount, dividing by the starting headcount, and multiplying by 100. This method shows how many original employees remained during the period and provides the most accurate retention measurement.
Q2: What is a good employee retention rate?
A good employee retention rate varies by industry, but many US organizations aim for a rate in the mid-to-high 80% range or higher. Government, finance, and education often exceed this, while retail and hospitality typically see lower rates.
Q3: What is the difference between employee retention rate and turnover rate?
Employee retention rate measures the percentage of employees who stay, while turnover rate measures the percentage who leave. Retention focuses on stability, whereas turnover highlights workforce loss. Together, they give a full picture of employee movement.
Q4: Can employee retention rate be over 100%?
No. A retention rate over 100% indicates that new hires were included in the calculation. True employee retention rate should never exceed 100%, which is why new hires must be excluded from the formula.
Q5: How often should employee retention rate be calculated?
How to calculate employee retention rate using the correct formula, step-by-step examples, benchmarks, and expert tips to measure workforce stability accurately.
