B
Evidence Grade B
Graded
under review
Safe to Cite
Current
66%
66% -- email influenced purchase rate for customers (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
66%
Unit
Percentage
Data Vintage
2026
Entity
Geography
Global
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
60
Independence
30
Methodology
45
Freshness
95
Source
Direct Marketing Association
Primary
Tier C
https://smaily.com/top-5-effective-strategies-to-improve-email-marketing-roi/ ↗
Source Article
Top 5 Effective Strategies to Improve Email Marketing ROI
Email marketing ROI is a crucial metric for businesses that use email as a marketing channel. As referred to in an article on Linkedin, the ROI of email marketing is approximately 4400%. Ensuring that your email marketing campaigns generate a positive ROI is essential to justify the effort and expen…
Original Research
Direct Marketing Association
· Original study ↗
Methodology
Direct Marketing Association research, cited secondhand
Methodology documented
Segmentation
IndustryeCommerce
RegionGlobal
RoleAll marketers
Channelemail
Cite this stat
Plain Text
customers: 66% email influenced purchase rate. Source: Direct Marketing Association (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-driven-online-purchase-66-percent
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<blockquote cite="https://lighthousedata.io/data/email-driven-online-purchase-66-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>66%</strong> -- email influenced purchase rate for customers<br><small>Source: Direct Marketing Association (2026) · <a href="https://lighthousedata.io/data/email-driven-online-purchase-66-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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