B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
22%
22% -- reply rate lift for LinkedIn InMails under 400 characters (2025)
LinkedIn InMails under 400 characters receive 22% more replies compared to longer InMails.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
22%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Evaboot
Primary
Tier B
https://www.biscred.com/post/linked-in-outreach-templates ↗
Source Article
LinkedIn Message Templates for CRE Prospecting & Networking
Original Research
Evaboot
· Original study ↗
Methodology
Cited from Evaboot research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
LinkedIn InMails under 400 characters: 22% reply rate lift. Source: Evaboot (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/linkedin-inmail-under-400-chars-replies-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/linkedin-inmail-under-400-chars-replies-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- reply rate lift for LinkedIn InMails under 400 characters<br><small>Source: Evaboot (2025) · <a href="https://lighthousedata.io/data/linkedin-inmail-under-400-chars-replies-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.