Unsubscribe rate
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The percentage of email recipients who opt out after receiving a message. A measure of audience satisfaction and content relevance.
Unsubscribe rate is the percentage of recipients who click the unsubscribe link in your email. If you send 5,000 emails and 25 people unsubscribe, your rate is 0.5%.
A healthy unsubscribe rate is below 0.5% per email. Below 0.2% is excellent. Above 1% means your content is not matching audience expectations, you are sending too frequently, or your list includes people who never intended to receive your emails. High unsubscribe rates also hurt your sender reputation.
Some unsubscribes are healthy. People leave companies, change roles, or lose interest. A trickle of unsubscribes is normal. A spike after a specific email tells you that email missed the mark. Compare unsubscribe rate alongside open rate for a complete picture. Track unsubscribe rate by email type and content topic to identify what triggers opt-outs.
Examples
Unsubscribe rate spikes after a promotional email.
The newsletter normally has a 0.3% unsubscribe rate. A special edition promoting a webinar has a 1.2% rate. The audience signed up for insights, not promotions. The team limits promotional content to one mention per newsletter.
Frequency reduction improves retention.
Sending 3 emails per week: unsubscribe rate 0.8% per email. That is 2.4% per week, or roughly 60% list churn per year. Reducing to 1 email per week: unsubscribe rate drops to 0.3%. List retention improves dramatically.
Unsubscribe rate varies by segment.
Developer segment unsubscribe rate: 0.2%. Marketing segment: 0.6%. Executive segment: 0.9%. Executives have less patience for email that does not directly address their priorities. The team creates a separate, shorter executive digest.
In practice
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Frequently asked questions
What is a good unsubscribe rate?
Below 0.5% per email is healthy. Below 0.2% is excellent. Above 1% per email is a problem. Track per email (not per month) because sending frequency affects the aggregate number.
How do you reduce unsubscribe rate?
Send relevant, valuable content. Do not send too frequently. Segment your list so each audience gets content tailored to their interests. Set expectations at signup about what they will receive and how often. Honor those expectations.
Related terms
The percentage of delivered emails that recipients opened. A proxy for subject line effectiveness and sender trust.
The percentage of sent emails that actually reach the recipient's inbox. The foundation of every email marketing program.
A recurring email to subscribers with curated content, insights, or updates. The most valuable owned audience channel in B2B marketing.
A score assigned to your email domain and IP address by email providers. Determines whether your emails reach the inbox or spam folder.
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