B
Evidence Grade B
Safe to Cite
Dated
1%
1% -- email client market share for Thunderbird (2015-12)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
1%
Unit
Percentage
Data Vintage
2015-12
Entity
Sample Size
1,430,000,000
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
Sources (2)
emailclientmarketshare.com
Primary
Tier A
http://emailclientmarketshare.com/ ↗
Source Article
Email Client Market Share
#1 Apple iPhone 33% +0.65
#2 Gmail 15% +0.21
#3 Apple iPad 12% -0.06
#4 Google Android 10% +0.34
#5 Apple Mail 8% +2.66
#6 Outlook 6% -0.44
#7 Yahoo! Mail 3% -0.07
#8 Outlook.com 3% -0.28
#9 Windows Live Mail 2% -0.06
#10 Thunderbird 1% -0.02
Email client market share
Email client usage worldwide, c…
Also cited by
emailclientmarketshare.com
https://web.archive.org/web/20190519184012id_/https://emailclientmarketshare.com…
2026-09-03
Original Research
emailclientmarketshare.com
· Original study ↗
Methodology
Collected from 1.43 billion email opens worldwide by Litmus Email Analytics.
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2015-12 (current) | 1% | |
| 2019-10 | 0% | -100.0% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Thunderbird: 1% email client market share. Source: emailclientmarketshare.com (2015-12). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-client-market-share-dec-2015-thunderbird
HTML Embed
<blockquote cite="https://lighthousedata.io/data/email-client-market-share-dec-2015-thunderbird" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1%</strong> -- email client market share for Thunderbird<br><small>Source: emailclientmarketshare.com (2015-12) · <a href="https://lighthousedata.io/data/email-client-market-share-dec-2015-thunderbird" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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