C
Evidence Grade C
Graded
under review
Use with Hedging
Current
14.3%
14.3% -- email open rate lift from segmentation for Mailchimp segmented email campaigns (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
14.3%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
11,000
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Mailchimp
Primary
Tier C
https://www.3d2b.com/blog/marketing-services-systems/email-marketing/5-ways-to-supercharge-your-resu… ↗
Source Article
3D2B - 5 Ways to Supercharge Your Results from B2B Email Marketing
Also cited by
Original Research
Mailchimp
· Original study ↗
Methodology
Mailchimp internal data analysis comparing 11,000 customers' segmented campaigns (sent to about 9 million recipients) against the same customers' non-segmented campaigns. The same analysis also found roughly double the click-through rates (excluded as a multiplier without a numeric baseline). Cited secondhand by 3D2B.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
Mailchimp segmented email campaigns: 14.3% email open rate lift from segmentation. Source: Mailchimp (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mailchimp-segmentation-open-rate-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mailchimp-segmentation-open-rate-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>14.3%</strong> -- email open rate lift from segmentation for Mailchimp segmented email campaigns<br><small>Source: Mailchimp (2026) · <a href="https://lighthousedata.io/data/mailchimp-segmentation-open-rate-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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