B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
14.31%
14.31% -- open rate lift for segmented email campaigns (2026)
Segmented email campaigns achieve a 14.31% higher open rate compared to non-segmented baseline campaigns.
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
14.31%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
11,000
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Mailchimp
Primary
Tier B
https://mailcleanup.com/email-segmentation/ ↗
Source Article
Email Segmentation: 6 Types, Strategies & Examples [2026]
If you are sending the same email to every person on your list, you are not running an email marketing programme. You are running a broadcast. The distinction matters because your subscribers are not a single audience. They are a collection of people at different stages, with different needs, differ…
Original Research
Mailchimp
· Original study ↗
Methodology
Mailchimp analysis of 11,000 segmented campaigns to nearly nine million recipients
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2026 (current) | 28% | |
| 2026 (current) | 14.31% | -48.9% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
segmented email campaigns: 14.31% open rate lift. Source: Mailchimp (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/segmented-campaigns-open-rate-lift-1431
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<blockquote cite="https://lighthousedata.io/data/segmented-campaigns-open-rate-lift-1431" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>14.31%</strong> -- open rate lift for segmented email campaigns<br><small>Source: Mailchimp (2026) · <a href="https://lighthousedata.io/data/segmented-campaigns-open-rate-lift-1431" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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