B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
1,800,000,000
1,800,000,000 -- email user accounts for Gmail (2026-05)
SellCell estimated Gmail had approximately 1.8 billion users in May 2026.
- Estimated figure from SellCell
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
1,800,000,000
Unit
Count
Data Vintage
2026-05
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
35
Freshness
95
Source
SellCell
Primary
Tier B
https://dmarcguard.io/blog/email-provider-market-share/ ↗
Source Article
Email Provider Market Share 2026: Who Sends the Mail | DMARCguard
Who Sends the Internet’s Email? The 2026 Provider Market Share
Microsoft 365 sends for 19.6% of SPF-enabled domains; Google Workspace for 13.6%. That is the 2026 email provider market share on the one axis almost no chart measures — who actually sends the mail.
Most “email provider market share” and…
Original Research
SellCell
· Original study ↗
Methodology
SellCell estimate of Gmail user accounts
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Gmail: 1,800,000,000 email user accounts. Source: SellCell (2026-05). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gmail-users-sellcell-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/gmail-users-sellcell-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1,800,000,000</strong> -- email user accounts for Gmail<br><small>Source: SellCell (2026-05) · <a href="https://lighthousedata.io/data/gmail-users-sellcell-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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