C
Evidence Grade C
Graded
under review
Use with Hedging
Recent
3.9%
3.9% -- conversion rate for businesses using content in email marketing (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
3.9%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Sources (2)
Content Marketing Institute
Primary
Tier C
https://emailmastery.org/email-marketing-glossary/content/ ↗
Source Article
Content
What is the definition of ‘content’?
In a general context, “content” refers to the information and experiences that are directed towards an end-user or audience. It’s a broad term that can encompass text, images, videos, audio, and interactive elements used in various mediums such as websites, books…
Also cited by
Stonehouse Communications
https://stonehousecomms.co.uk/trends-insights/january-2026-the-agentic-shifttrus…
2026-09-29
Original Research
Content Marketing Institute
· Original study ↗
Methodology
Study by Content Marketing Institute; comparison group without content sees 1.7% conversion rate
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
businesses using content in email marketing: 3.9% conversion rate. Source: Content Marketing Institute (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-conversion-rate-content-strategy
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<blockquote cite="https://lighthousedata.io/data/email-conversion-rate-content-strategy" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3.9%</strong> -- conversion rate for businesses using content in email marketing<br><small>Source: Content Marketing Institute (2025) · <a href="https://lighthousedata.io/data/email-conversion-rate-content-strategy" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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