C
Evidence Grade C
Graded
accuracy verified by the review judge
Use with Hedging
Current
21.33%
21.33% -- email open rate for Mailchimp customer base (all-industry average) (2026)
Mailchimp reports an all-industry average email open rate of 21.33% across its customer base.
- Blends cold broadcast sends with warmer lifecycle emails
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
21.33%
Unit
Percentage
Data Vintage
2026
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
20
Independence
30
Methodology
60
Freshness
95
Sources (2)
Mailchimp
Primary
Tier C
https://meisa.io/blog/activecampaign-vs-mailchimp-full-2026-comparison ↗
Source Article
ActiveCampaign vs Mailchimp: The Full 2026 Comparison
ActiveCampaign vs Mailchimp: Full 2026 Comparison
ActiveCampaign vs Mailchimp compared on pricing, automation depth, deliverability, and ease of use for 2026, with an honest verdict on where each actually fits.
ActiveCampaign wins on automation depth, CRM features, and behavior-based triggers. Mailc…
Also cited by
2026-09-30
Original Research
Mailchimp
· Original study ↗
Methodology
All-industry average published by Mailchimp across its own customer base; blends cold broadcast sends with warmer lifecycle emails, so the article treats it as a rough floor for general newsletters rather than a target for onboarding sequences
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
Mailchimp customer base (all-industry average): 21.33% email open rate. Source: Mailchimp (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mailchimp-all-industry-email-open-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mailchimp-all-industry-email-open-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>21.33%</strong> -- email open rate for Mailchimp customer base (all-industry average)<br><small>Source: Mailchimp (2026) · <a href="https://lighthousedata.io/data/mailchimp-all-industry-email-open-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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