Retention Rate

Retention rate is the percentage of customers (or revenue) that remain active and paying at the end of a measurement period compared to the start. It is the inverse of churn rate and is often preferred in investor presentations because it frames the metric positively. A 95% monthly retention rate is identical in meaning to a 5% monthly churn rate.

formula.sh

Retention Rate = ((Customers at End of Period) / (Customers at Start of Period)) × 100

> Customers at End of Period — active paying customers at period close (exclude new customers acquired during the period)
> Customers at Start of Period — active paying customers at period open
> For revenue retention: replace customer counts with MRR values
> Subtract from 100 to get the equivalent churn rate

example

example.sh

800 customers at the start of Q2. 760 remain at the end (no new customer additions counted).

(760 / 800) × 100

→ 95% quarterly retention rate — equivalent to 5% quarterly customer churn.

why it matters

Retention rate is the mirror image of churn but carries different psychological weight. For customer success teams, tracking "we retained 95%" is more motivating than "we churned 5%." For investors, retention rates above 90% monthly signal best-in-class product stickiness.

The choice between customer retention and revenue retention depends on what story you need to tell. Customer retention measures breadth. Revenue retention measures depth. Both matter and neither can substitute for the other. Report both to your board at every meeting.

Over a long time horizon, even small differences in retention rate compound dramatically. A company with 97% monthly retention retains approximately 70% of its customers annually. A company with 95% monthly retention retains only about 54% annually. That 2% difference in monthly retention equates to a 16-point difference in annual customer preservation.

common mistakes

✗Including new customers acquired during the period in the end-of-period count, which artificially inflates the retention rate.

✗Reporting only customer retention while hiding poor revenue retention behind it.

✗Setting a single retention target across all customer segments when enterprise and SMB accounts have dramatically different natural retention profiles.

pro tips

✓Build a retention curve by cohort: plot month-1, month-3, month-6, month-12 retention for each acquisition cohort to see whether retention is improving over time.

✓Identify your natural retention floor — the percentage of customers who stay indefinitely once they pass a certain usage or time threshold. Optimize onboarding to move customers to that floor faster.

✓Use revenue retention as the primary metric for board reporting; use customer retention as the leading indicator for your success team.

the mrrsucks take

Retention rate is just churn wearing a positive attitude. 95% sounds great until you realize you're replacing one in twenty customers every month — and each replacement costs you CAC.

faq

What is a good SaaS retention rate?+

For monthly measurement: 98%+ is excellent, 95–97% is good, 90–94% is acceptable for high-velocity SMB products, below 90% is a red flag. Annual retention: 85%+ is strong for SMB SaaS, 90%+ for mid-market, 95%+ for enterprise.

How is retention rate different from NRR?+

Customer retention rate counts accounts preserved. NRR (Net Revenue Retention) measures revenue preserved plus revenue expanded. NRR can exceed 100% if expansion offsets cancellations; customer retention rate is always ≤100%.

The churn spiral›

related metrics

./install-the-daemon

$9. 365 roasts. one public endpoint of pure shame.