Churn rate
Churn rate
- April 20, 2021
- Posted by: Nicola Selenu

The percentage of subscribers who remove themselves or are removed from an email list via unsubscribing, a spam complaint, or a hard bounce (collectively known as “churn”). Calculated by adding unsubscribes, hard bounces, and spam complaints for an email and dividing by the total list size. Industry-wide research generally finds annual churn rates in the 25 to 30 percent range.
« Back to Glossary IndexAuthor:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
« Back to Glossary IndexChurn rate
The percentage of subscribers who remove themselves or are removed from an email list via unsubscribing, a spam complaint, or a hard bounce (collectively known as “churn”). Calculated by adding unsubscribes, hard bounces, and spam complaints for an email and dividing by the total list size. Industry-wide research generally finds annual churn rates in the 25 to 30 percent range.
« Back to Glossary IndexAuthor:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
« Back to Glossary Index