Email Bounce Rate Statistics and Benchmarks
Bounce rate is one of the clearest signals mailbox providers use to judge sender quality. These benchmark ranges show what good looks like and where the danger zone begins.
Under 2%
Bounce rate considered healthy for most senders
Source: Industry benchmark
5%+
Bounce rate where sender reputation starts taking serious damage
Source: Industry benchmark
20-40%
Invalid addresses typical in unverified cold or aged lists
Source: Industry benchmark
2-3%
Monthly decay rate of a typical email list
Source: Industry benchmark
What counts as a good bounce rate?
Most senders aim to keep bounce rates under 2%. Above 5%, mailbox providers begin to treat the sender as low quality, and more mail is routed to spam or rejected outright.
Why lists decay
People change jobs and addresses, abandon mailboxes, and enter typos at signup. A few percent of any list goes bad every month, which is why regular verification matters.
Frequently asked questions
What is a good email bounce rate?
How do I lower my bounce rate?
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