B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
29%
29% -- email client market share for Gmail (2021-03)
Gmail held a 29% market share of email client opens worldwide as of March 1, 2021.
- Data for some email clients may be over- or under-represented due to automatic image blocking required for analytics tracking.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
29%
Unit
Percentage
Data Vintage
2021-03
Entity
Sample Size
1,020,000,000
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
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
emailclientmarketshare.com
Primary
Tier A
https://emailclientmarketshare.com/ ↗
Source Article
Email Client Market Share
#1 Apple iPhone 39% +1.38
#2 Gmail 29% -0.79
#3 Apple Mail 11% -0.42
#4 Outlook 7% -0.82
#5 Yahoo! Mail 5% +0.24
#6 Google Android 1% +0.11
#7 Apple iPad 1% +0.12
#8 Samsung Mail 1% -0.27
#9 Outlook.com 1% +0.46
#10 Windows Live Mail 0% -0.01
Email client market share
Email client usage worldwide, c…
Original Research
emailclientmarketshare.com
· Original study ↗
Methodology
Collected from 1.02 billion email opens worldwide by Litmus Email Analytics.
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2012-02 | 8% | |
| 2014-03 | 11% | +37.5% |
| 2014-10 | 15% | +36.4% |
| 2014-11 | 15% | 0% |
| 2015 | 17% | +13.3% |
| 2015 | 17% | 0% |
| 2015-12 | 15% | -11.8% |
| 2019 | 28% | +86.7% |
| 2019-11 | 26% | -7.1% |
| 2020 | 38% | +46.2% |
| 2020-07 | 38% | 0% |
| 2021-03 (current) | 29% | -23.7% |
| 2021-04 | 30% | +3.4% |
| 2024-06 | 35.99% | +20.0% |
| 2026 | 72.1% | +100.3% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Gmail: 29% email client market share. Source: emailclientmarketshare.com (2021-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-client-market-share-gmail
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<blockquote cite="https://lighthousedata.io/data/email-client-market-share-gmail" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>29%</strong> -- email client market share for Gmail<br><small>Source: emailclientmarketshare.com (2021-03) · <a href="https://lighthousedata.io/data/email-client-market-share-gmail" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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