B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20%
20% -- email share of total revenue for Brands with mature email programs (2026)
Brands with mature email programs attribute 20% to 30% of total revenue to the email channel.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
20%
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
Litmus
Primary
Tier C
https://www.darkroomagency.com/observatory/ecommerce-email-marketing-revenue-architecture ↗
Source Article
Ecommerce Email Marketing Revenue Architecture
Ecommerce Email Marketing: The Revenue Architecture Most Brands Miss
RETENTION MARKETING
Written & peer reviewed by
4 Darkroom team members
RETENTION MARKETING
Written & peer reviewed by 4 Darkroom team members
TL;DR
Most ecommerce brands treat email marketing as a broadcast channel. They send campa…
Original Research
Litmus
· Original study ↗
Methodology
Range 20-30%; midpoint used. Secondary citation of Litmus State of Email report.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Brands with mature email programs: 20% email share of total revenue. Source: Litmus (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/litmus-mature-email-revenue-share
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<blockquote cite="https://lighthousedata.io/data/litmus-mature-email-revenue-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- email share of total revenue for Brands with mature email programs<br><small>Source: Litmus (2026) · <a href="https://lighthousedata.io/data/litmus-mature-email-revenue-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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