B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Aging

33.3%

33.3% -- email open share by device for Webmail (2024)

Name: Email Open Share By Device Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-30

2024 · IBM

According to an IBM study, 33.3% of emails read worldwide are read via webmail.

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Attribution: IBM View source

Lighthouse Research Team

Last verified: 2026-09-30 · How we verify data →

Source verified Evidence graded

Value

33.3%

Unit

Percentage

Data Vintage

2024

Entity

Webmail

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

IBM Primary Tier C

https://dazzlebirds.com/blog/top-tools-for-email-marketing/ ↗

Confidence: 48/100 Vintage: 2024 Channel: Deep Crawl

Source Article

#1 Guide | Top Tools for Email Marketing - Dazzlebirds

Marketing channels and trends change throughout time. While certain fads come and go rapidly, email is one of the few mediums that has stayed relatively constant. As a result, email remains the most popular content marketing medium for both B2C and B2B marketers. It is used by 87 percent of B2B mark…

Original Research

IBM · Original study ↗

Methodology

Cited IBM study

Methodology documented

Segmentation

Industrymarketing

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Plain Text

Webmail: 33.3% email open share by device. Source: IBM (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/webmail-email-open-share

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<blockquote cite="https://lighthousedata.io/data/webmail-email-open-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>33.3%</strong> -- email open share by device for Webmail<br><small>Source: IBM (2024) · <a href="https://lighthousedata.io/data/webmail-email-open-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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