B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
28%
28% -- share of workday spent on email for Business professionals (2026)
Business professionals spend 28% of their workday managing email.
- Secondary citation attributing the statistic to McKinsey without original study date specified.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
28%
Unit
Percentage
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
McKinsey
Primary
Tier C
https://lickfold.digital/post/the-role-of-email-in-b2b-services-2026-guide ↗
Source Article
The Role of Email in B2B Services: 2026 Guide
The Role of Email in B2B Services: 2026 Guide
The Role of Email in B2B Services: 2026 Guide
TL;DR:
- Email provides the highest return on investment in B2B marketing by effectively driving pipeline and managing relationships.
- It uniquely reaches professionals in their primary work tools, making it…
Original Research
McKinsey
· Original study ↗
Methodology
Attributed to McKinsey by the article; McKinsey Global Institute's original figure is 28% of the average workweek, while this article phrases it as 'workday'.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Business professionals: 28% share of workday spent on email. Source: McKinsey (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/professionals-workday-share-spent-on-email
HTML Embed
<blockquote cite="https://lighthousedata.io/data/professionals-workday-share-spent-on-email" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>28%</strong> -- share of workday spent on email for Business professionals<br><small>Source: McKinsey (2026) · <a href="https://lighthousedata.io/data/professionals-workday-share-spent-on-email" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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