B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

9.8%

9.8% -- missing email rate for Global email senders (share of email never delivered/missing) (2026)

Name: Missing Email Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-07

2026 · Validity

According to the Validity 2026 benchmark report, an average of 9.8% of global emails disappear completely (neither reaching the inbox nor spam folder).

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Attribution: Validity View source

Lighthouse Research Team

Last verified: 2026-09-07 · How we verify data →

Source verified Evidence graded

Value

9.8%

Unit

Percentage

Data Vintage

2026

Entity

Global email senders (share of email never delivered/missing)

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Validity Primary Tier C

https://www.aurorasendcloud.com/zh-hk/blog/email-deliverability ↗

Confidence: 48/100 Vintage: 2026 Channel: Common Crawl

Source Article

2026 完整電子郵件進箱能力指南

Original Research

Validity · Original study ↗

Methodology

Share of email that disappears entirely (neither inbox nor spam), cited from Validity 2026 benchmark report.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Global email senders (share of email never delivered/missing): 9.8% missing email rate. Source: Validity (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/validity-2026-missing-email-rate

HTML Embed

<blockquote cite="https://lighthousedata.io/data/validity-2026-missing-email-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9.8%</strong> -- missing email rate for Global email senders (share of email never delivered/missing)<br><small>Source: Validity (2026) · <a href="https://lighthousedata.io/data/validity-2026-missing-email-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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