Unsubscribe Rate
Unsubscribes per send, typically well under 0.5% for a healthy list. Spikes flag a mismatch between what people signed up for and what you sent.
Free · no signup · last reviewed August 29, 2026
The definition
Unsubscribes per send, typically well under 0.5% for a healthy list. Spikes flag a mismatch between what people signed up for and what you sent.
Why it matters to an owner
Not a tragedy — an unsubscribe is someone politely leaving instead of reporting you as spam. The metric to fear is the complaint rate, not this one.
Keep going
Spam Complaint RateThe share of recipients clicking 'report spam.' Gmail's bulk-sender threshold: stay under …List HygieneThe practice of keeping an email list clean: removing bounces, validating addresses, sunse…Email Nurture That Runs ItselfThe three sequences that cover 90% of businesses, the frames that outlast templates, the p…
This is the work. Want it done?
Everything here is free to use yourself — that’s the point. If you’d rather a senior marketer just handle it, in your accounts and your name: 20-minute call, no pitch deck.