B
Evidence Grade B
Graded
under review
Safe to Cite
Current
0.25%
0.25% -- unsubscribe rate threshold for newsletters (per single email send) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
0.25%
Unit
Percentage
Data Vintage
2026
Entity
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
Inbox Collective
Primary
Tier B
https://inboxcollective.com/ways-to-measure-the-success-of-your-newsletter/ ↗
Source Article
How to Measure the Success of Your Newsletter | Inbox Collective
| These stories are presented thanks to beehiiv, an all-in-one newsletter suite built by the early Morning Brew team. It’s fully equipped with built-in growth and monetization tools, no code website and newsletter builder, and best-in-class analytics that actually move the needle. Some of the top ne…
Original Research
Inbox Collective
· Original study ↗
Methodology
Author's benchmark threshold based on a decade of reviewing newsletter client data
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
newsletters (per single email send): 0.25% unsubscribe rate threshold. Source: Inbox Collective (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/newsletter-unsubscribe-rate-benchmark
HTML Embed
<blockquote cite="https://lighthousedata.io/data/newsletter-unsubscribe-rate-benchmark" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.25%</strong> -- unsubscribe rate threshold for newsletters (per single email send)<br><small>Source: Inbox Collective (2026) · <a href="https://lighthousedata.io/data/newsletter-unsubscribe-rate-benchmark" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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