B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
45%
45% -- spam share of email volume for global email traffic (2025)
Lighthouse Research Team
Last verified:
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Evidence graded
Value
45%
Unit
Percentage
Data Vintage
2025
Entity
Geography
Global
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Source Article
The Anatomy of Spam Traps – What They Are and How to Avoid Them?
Per data, spam accounts for around 45 percent of all emails, or 14.5 million messages sent worldwide daily. Because of this, ISPs have increased their anti-spam measures. The fact that you are not a spammer doesn’t mean that you shouldn’t be bothered by the course of your marketing emails. Senders w…
Methodology
Secondary citation of unspecified data on worldwide email spam volume
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2009-07 | 88.1% | |
| 2025 (current) | 45% | -48.9% |
| Q3 2007 | 95% | +111.1% |
Segmentation
Industrymarketing
RegionGlobal
RoleAll marketers
Channelemail
Cite this stat
Plain Text
global email traffic: 45% spam share of email volume. Source: (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/spam-share-of-email-45pct
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<blockquote cite="https://lighthousedata.io/data/spam-share-of-email-45pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>45%</strong> -- spam share of email volume for global email traffic<br><small>Source: (2025) · <a href="https://lighthousedata.io/data/spam-share-of-email-45pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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