B
Evidence Grade B
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accuracy verified by the review judge
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Recent
50%
50% -- email engagement gap basic vs sophisticated personalization for email marketing campaigns (2025)
Emails with only basic personalization generate 50% less engagement than emails using more sophisticated personalization approaches.
Lighthouse Research Team
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Evidence graded
Value
50%
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
Personalization at Scale: How Automated Email Sequences Can Still Feel Human - Plan Left
Scaling your business requires more than just automation—it demands systems that grow without sacrificing the personal connections driving real business relationships. For growth-focused companies, the challenge isn’t choosing between efficiency and authenticity, but mastering technology that delive…
Methodology
Blog citing unspecified research comparing basic vs sophisticated email personalization
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email marketing campaigns: 50% email engagement gap basic vs sophisticated personalization. Source: (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/basic-personalization-emails-engagement-gap
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<blockquote cite="https://lighthousedata.io/data/basic-personalization-emails-engagement-gap" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- email engagement gap basic vs sophisticated personalization for email marketing campaigns<br><small>Source: (2025) · <a href="https://lighthousedata.io/data/basic-personalization-emails-engagement-gap" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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