B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
6.6%
6.6% -- missing email rate for global email deliverability (2026)
Globally, an average of 6.6% of emails are missing/do not reach the inbox or spam folder.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
6.6%
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
95
Source Trust
90
Citation Chain
90
Independence
30
Methodology
45
Freshness
79
Source
Validity
Primary
Tier A
https://www.litmus.com/blog/webinar-adapting-to-consumers-changing-spam-definitions-slides-recording… ↗
Source Article
Why Did My Email Go to Spam? Deliverability Q's, Answered.
Key takeaways ✨- Spam filters aren’t just catching scammers—they’re catching you. With one in six real emails never making it to the inbox, you’ll need to pay attention to your infrastructure, sender reputation, and subscriber engagement.
- Respect the unsubscribe—or pay for it with spam complaints.…
Original Research
Validity
· Original study ↗
Methodology
Derived from Validity's 2026 Deliverability Benchmarks Report.
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 | 9.8% | |
| 2026 (current) | 6.6% | -32.7% |
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
global email deliverability: 6.6% missing email rate. Source: Validity (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/missing-email-rate-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/missing-email-rate-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>6.6%</strong> -- missing email rate for global email deliverability<br><small>Source: Validity (2026) · <a href="https://lighthousedata.io/data/missing-email-rate-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.