B
Evidence Grade B
Graded
not independently verified
Safe to Cite
Current
5%
5% -- email open rate for cold outreach emails (2026)
Attribution:
View source
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.
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
50
Methodology
45
Freshness
95
Sources (4)
Adffect
Primary
Tier B
https://adffect.com/glossary/open-rate/ ↗
Source Article
Email Open Rate: 2024 Formula, Benchmarks & Tips
Also cited by
forbes.com
https://www.forbes.com/
2026-08-16
brevo.com
https://www.brevo.com/
2026-08-16
amraandelma.com
https://www.amraandelma.com/
2026-08-16
Original Research
Adffect
· Original study ↗
Methodology
Depends on list quality and sender warmup.
Segmentation
Industrymarketing
RoleAll marketers
Channelemail
Cite this stat
Plain Text
cold outreach emails: 5% email open rate. Source: Adffect (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/cold-outreach-open-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/cold-outreach-open-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- email open rate for cold outreach emails<br><small>Source: Adffect (2026) · <a href="https://lighthousedata.io/data/cold-outreach-open-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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