B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- segmented campaign open rate lift for segmented email campaigns (2026)
Segmented email campaigns produce up to 30% more opens than non-segmented sends.
- Upper-bound figure ('up to')
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
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.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
messageflow.com
Primary
Tier C
https://messageflow.com/blog/how-to-build-an-email-list/ ↗
Source Article
How to Build an Email List: Complete 2026 Guide
An email list is a database of people who have given you explicit permission to send them messages. Unlike your social media following which lives on rented land, subject to algorithm changes and platform decisions, your email list is an asset you own outright. No policy update can erase your audien…
Original Research
messageflow.com
· Original study ↗
Methodology
Upper-bound figure ('up to').
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
segmented email campaigns: 30% segmented campaign open rate lift. Source: messageflow.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/segmented-email-opens-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/segmented-email-opens-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- segmented campaign open rate lift for segmented email campaigns<br><small>Source: messageflow.com (2026) · <a href="https://lighthousedata.io/data/segmented-email-opens-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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