What Is Email Churn?

Email Churn is the rate at which users have left your email mailing list within a certain period of time. Email Churn is expressed in a percentage. For example email marketers will look at what their company's churn has been in the last 30 days. Email Churn is an important metric for email marketers top track and follow. 

Formula to calculate email churn rate

Churn Rate = (unsubscribes + soft bounces + hard bounces + spam complaints + inactive subscribers) / number of subscribers x 100