Customer Anniversary Email Benchmarks
Customer anniversary emails celebrate the date a subscriber joined your list, made their first purchase or became a customer. These emails acknowledge the relationship and often include a reward — a discount, free shipping or exclusive access — as a thank-you for loyalty.
| Metric | Average | Above Average | Excellent |
|---|---|---|---|
| Open Rate | 42-58% | 62%+ | 72%+ |
| Click-Through Rate | 10-22% | 28%+ | 38%+ |
| Conversion Rate | 3-8% | 12%+ | 18%+ |
| Click-to-Open Rate | 25-40% | 45%+ | 58%+ |
| Unsubscribe Rate | 0.15-0.4% | Below 0.1% | Below 0.05% |
Why Anniversary Email Benchmarks Matter
Anniversary emails achieve among the highest engagement rates of any campaign type because they are personal, positive and unexpected. Subscribers rarely anticipate receiving an anniversary email, which makes the surprise emotionally resonant. The reward or offer included in the email creates a conversion opportunity within a relationship-building moment.
Benchmarks by Reward Type
| Reward Type | Open Rate | CTR | Conversion Rate |
|---|---|---|---|
| Percentage discount | 42-55% | 12-22% | 5-10% |
| Free shipping | 38-50% | 10-18% | 4-8% |
| Exclusive content or access | 45-58% | 8-16% | N/A |
| Gift or free product | 50-62% | 18-28% | 8-15% |
| No reward (celebration only) | 38-50% | 5-12% | 2-5% |
Best Practices
- Personalise the email with specific details — the exact date they joined, their first purchase or how long they have been a subscriber
- Include a meaningful reward; even a modest discount converts 2-3x better than a purely celebratory message
- Send the email on the exact anniversary date whenever possible — automated triggers outperform batch sends
- Use warm, appreciative language rather than standard promotional copy to differentiate the email from regular campaigns
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Frequently Asked Questions
Anniversary emails achieve open rates of 42-58%, significantly above average for marketing emails. Personalised subject lines referencing the specific anniversary year or milestone push rates above 60%.
Yes. Anniversary emails with a reward achieve 2-3x higher conversion rates than purely celebratory messages. The reward should feel like a genuine thank-you rather than a standard promotional offer. Exclusive or one-time-use rewards perform better than generic site-wide codes.
Celebrate the first anniversary as a minimum. Annual anniversaries thereafter sustain the relationship. Consider adding milestone anniversaries such as 3-year, 5-year and 10-year with escalating rewards to recognise long-term loyalty.