B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
58%
58% -- reply rate increase for Emails under 100 words vs emails over 200 words (2025)
Mailmodo reports that emails under 100 words receive 58% more replies than emails over 200 words in 2025.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
58%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Mailmodo
Primary
Tier C
https://prospectout.com/most-common-cold-email-mistakes/ ↗
Source Article
Cold Email Mistakes That Are Killing Your Results
Cold emails still work, if you do them right.
However, here’s the problem: 88% of cold emails are ignored, and more than 50% are deleted within 3 seconds. Why? Because most senders make the same avoidable mistakes, long, vague, and all about them.
Even worse? Many businesses burn leads before they e…
Original Research
Mailmodo
· Original study ↗
Methodology
Mailmodo report; short emails (under 100 words) receive 58% more replies than emails over 200 words
Methodology documented
Segmentation
Industrymarketing
RoleAll marketers
Channelemail
Cite this stat
Plain Text
Emails under 100 words vs emails over 200 words: 58% reply rate increase. Source: Mailmodo (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mailmodo-short-emails-58-more-replies
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<blockquote cite="https://lighthousedata.io/data/mailmodo-short-emails-58-more-replies" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>58%</strong> -- reply rate increase for Emails under 100 words vs emails over 200 words<br><small>Source: Mailmodo (2025) · <a href="https://lighthousedata.io/data/mailmodo-short-emails-58-more-replies" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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