B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
1.6%
1.6% -- unsubscribe rate for average cold email sequence (2025)
The average unsubscribe rate for cold email sequences is 1.6%.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
1.6%
Unit
Percentage
Data Vintage
2025
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
95
Source Trust
50
Citation Chain
60
Independence
30
Methodology
30
Freshness
95
Source
Hunter
Primary
Tier A
https://hunter.io/the-state-of-cold-email/?preview=true ↗
Source Article
The State of Email Outreach 2026 • Hunter
TL;DR
Don't track email opens if you don't have to
Campaigns without open tracking see a +68% higher reply rate (7.4% vs 4.4%).
Use a business email, not freemail
Sending from a custom domain delivers a +108% higher reply rate than freemail (5.2% vs 2.5%).
Target tight segments (≤50 recipients)
Sequ…
Original Research
Hunter
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
average cold email sequence: 1.6% unsubscribe rate. Source: Hunter (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/average-unsubscribe-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/average-unsubscribe-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1.6%</strong> -- unsubscribe rate for average cold email sequence<br><small>Source: Hunter (2025) · <a href="https://lighthousedata.io/data/average-unsubscribe-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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