B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
30%
30% -- email marketing roi ranking for marketers worldwide (2025)
30% of marketers worldwide state that email marketing has the highest return on investment of all digital marketing channels.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
30%
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
KappaX
Primary
Tier C
https://kappax.io/blog/marketing-vs-advertising ↗
Source Article
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In this detailed blog, we learn about the difference between advertising and marketing…
Original Research
KappaX
· Original study ↗
Methodology
Blog citation stating 30% of marketers worldwide consider email marketing the highest-ROI digital channel; original survey not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
marketers worldwide: 30% email marketing roi ranking. Source: KappaX (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-marketing-highest-roi-marketers-2025
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<blockquote cite="https://lighthousedata.io/data/email-marketing-highest-roi-marketers-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- email marketing roi ranking for marketers worldwide<br><small>Source: KappaX (2025) · <a href="https://lighthousedata.io/data/email-marketing-highest-roi-marketers-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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