B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
5%
5% -- reengagement positive response rate for inactive email subscribers (90+ days) (2026)
Approximately 5% to 15% of inactive subscribers (90+ days) click to confirm continued interest in a re-engagement email campaign.
- Reported as a general range (~5-15%)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
5%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
BounceZero
Primary
Tier B
https://bouncezero.io/blog/how-often-clean-email-list ↗
Source Article
How Often Should You Clean Your Email List? A Cadence Guide for 2026
If you verified your list six months ago, ~10% of it has already decayed. Mailboxes get deleted, employees change jobs, domains expire, addresses get repurposed as spam traps. The question isn't whether to re-verify - it's how often, and which segments first.
This post gives you a concrete cadence b…
Original Research
BounceZero
· Original study ↗
Methodology
Share of inactive subscribers confirming continued interest in a win-back email; range reported as 5-15%, midpoint extracted
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
inactive email subscribers (90+ days): 5% reengagement positive response rate. Source: BounceZero (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/reengagement-yes-response-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/reengagement-yes-response-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- reengagement positive response rate for inactive email subscribers (90+ days)<br><small>Source: BounceZero (2026) · <a href="https://lighthousedata.io/data/reengagement-yes-response-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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