B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
9.4%
9.4% -- unsubscribe rate reduction for Segmented email campaigns vs. bulk messaging campaigns (2025)
Segmented email campaigns reduce unsubscribe rates by 9.4% compared to bulk messaging campaigns.
- Underlying study not named in the text
Lighthouse Research Team
Last verified:
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Evidence graded
Value
9.4%
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
Source Article
A Complete Guide to Email Segmentation — Email Industries
Email segmentation is the process of dividing your email lists into categories for better outreach. Marketers can segregate contacts based on shared values and preferences and send personalized messages based on that information.
Successful email segmentation strategies can help you send targeted ca…
Methodology
Reduction in unsubscribe rates for segmented campaigns relative to bulk messaging campaigns; underlying study not named in the article. Article undated; vintage derived from archive collection date (Mar 2025).
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Segmented email campaigns vs. bulk messaging campaigns: 9.4% unsubscribe rate reduction. Source: (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/segmented-email-unsubscribe-rate-reduction
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<blockquote cite="https://lighthousedata.io/data/segmented-email-unsubscribe-rate-reduction" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9.4%</strong> -- unsubscribe rate reduction for Segmented email campaigns vs. bulk messaging campaigns<br><small>Source: (2025) · <a href="https://lighthousedata.io/data/segmented-email-unsubscribe-rate-reduction" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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