B
Evidence Grade B
Graded
under review
Safe to Cite
Dated
46%
46% -- email open rate for cold emails with question-format subject lines (2022)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
46%
Unit
Percentage
Data Vintage
2022
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
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Alex Berman
Primary
Tier A
https://alexberman.com/best-subject-line-for-a-cold-email ↗
Source Article
Best Subject Line for a Cold Email (With Examples)
Your Subject Line Is the Only Thing That Matters (At First)
I've sent tens of thousands of cold emails. Written campaigns for agencies, SaaS companies, and solo consultants across every industry you can name. And the one thing that separates a 40% open rate from a 9% one almost always comes down to …
Original Research
Alex Berman
· Original study ↗
Methodology
Question-format subject lines average around a 46% open rate in B2B research.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
cold emails with question-format subject lines: 46% email open rate. Source: Alex Berman (2022). Via Lighthouse Intelligence -- https://lighthousedata.io/data/question-subject-line-open-rates
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<blockquote cite="https://lighthousedata.io/data/question-subject-line-open-rates" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>46%</strong> -- email open rate for cold emails with question-format subject lines<br><small>Source: Alex Berman (2022) · <a href="https://lighthousedata.io/data/question-subject-line-open-rates" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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