B
Evidence Grade B
Graded
under review
Safe to Cite
Current
100,000,000,000
100,000,000,000 -- daily email volume for Business email accounts (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
100,000,000,000
Unit
Count
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
Radicati Group
Primary
Tier B
https://atlantic-it.net/in-the-mail/ ↗
Source Article
In the Mail
Original Research
Radicati Group
· Original study ↗
Methodology
Cited from Radicati Group study; one-quarter of 4 billion accounts are business accounts
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Business email accounts: 100,000,000,000 daily email volume. Source: Radicati Group (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/business-emails-per-day
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<blockquote cite="https://lighthousedata.io/data/business-emails-per-day" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>100,000,000,000</strong> -- daily email volume for Business email accounts<br><small>Source: Radicati Group (2026) · <a href="https://lighthousedata.io/data/business-emails-per-day" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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