C
Evidence Grade C
Graded
not independently verified
Use with Hedging
Current
3%
3% -- email click through rate for email marketing campaign (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
3%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
1,000
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Retainr.io
Primary
Tier A
https://www.retainr.io/blog/5-tips-for-building-a-successful-email-marketing-campaign-for-clients ↗
Source Article
5 Tips for Building a Successful Email Marketing Campaign for Clients
5 Tips for Building a Successful Email Marketing Campaign for Clients
Build with Retainr
Sell your products and services, manage clients, orders, payments, automate your client onboarding and management with your own branded web application.
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Also cited by
dev.co
https://dev.co/web/trends
2026-09-06
Original Research
Retainr.io
· Original study ↗
Methodology
For a campaign that sends 1,000 emails
Methodology documented
Segmentation
Industryemail_marketing
RoleAll marketers
Channelemail
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
email marketing campaign: 3% email click through rate. Source: Retainr.io (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email_campaign_click_through_rate_example
HTML Embed
<blockquote cite="https://lighthousedata.io/data/email_campaign_click_through_rate_example" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3%</strong> -- email click through rate for email marketing campaign<br><small>Source: Retainr.io (2026) · <a href="https://lighthousedata.io/data/email_campaign_click_through_rate_example" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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