B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
40%
40% -- email marketing effectiveness relative to social media for email marketing (2025)
According to McKinsey, email marketing is 40% as effective as social media in securing a sale.
- Source cites McKinsey without naming the specific study date or methodology
- Source states '40% as effective as social media', which may be an author misstatement of the well-known McKinsey stat
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Lighthouse Research Team
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Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2025
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://www.powerhouse-strategy.com/momentum/8-tips-from-best-selling-author-jay-shettys-amazingly-e… ↗
Source Article
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8 Tips from Best-Selling Author Jay Shetty's Amazingly Effective Book Landing Page
8 Tips From Best-Selling Author Jay Shetty’s Amazingly Effective Book Landing Page
You might be familiar with health and wellness influencer Jay Shetty, who has skyrocketed to fame in the last few years. Shetty applie…
Original Research
McKinsey
· Original study ↗
Methodology
Blog cites McKinsey; original McKinsey study not identified
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email marketing: 40% email marketing effectiveness relative to social media. Source: McKinsey (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-vs-social-effectiveness-mckinsey
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<blockquote cite="https://lighthousedata.io/data/email-vs-social-effectiveness-mckinsey" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- email marketing effectiveness relative to social media for email marketing<br><small>Source: McKinsey (2025) · <a href="https://lighthousedata.io/data/email-vs-social-effectiveness-mckinsey" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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