B
Evidence Grade B
Graded
under review
Safe to Cite
Current
28%
28% -- email unsubscribe rate reduction for companies using email segmentation effectively (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
28%
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
50
Citation Chain
60
Independence
30
Methodology
30
Freshness
95
Source
BDEX
Primary
Tier C
https://www.bdex.com/blog/real-time-segmentation-and-personalization-bdex-for-the-email-marketer/ ↗
Source Article
Real-Time Segmentation and Personalization: BDEX for the Email Marketer
Original Research
BDEX
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
companies using email segmentation effectively: 28% email unsubscribe rate reduction. Source: BDEX (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email_unsubscribe_rate_reduction_with_segmentation
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<blockquote cite="https://lighthousedata.io/data/email_unsubscribe_rate_reduction_with_segmentation" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>28%</strong> -- email unsubscribe rate reduction for companies using email segmentation effectively<br><small>Source: BDEX (2026) · <a href="https://lighthousedata.io/data/email_unsubscribe_rate_reduction_with_segmentation" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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