B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
10%
10% -- marketing efficiency increase for companies using personalized marketing (2026)
A 2026 McKinsey study found that personalized marketing can increase marketing efficiency by 10% to 30%.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
10%
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://ppcgrowthstudio.com/data-driven-marketing-roi-impact-in-2026-4/ ↗
Source Article
Data-Driven Marketing ROI: 2026 Tactics for Marketers
Understanding Marketing Fundamentals
Marketing, at its core, is about connecting with your target audience and persuading them to take a desired action. This could be anything from purchasing a product or service to subscribing to a newsletter or simply engaging with your brand. But in 2026, gut fee…
Original Research
McKinsey
· Original study ↗
Methodology
Cited in article as a 2026 McKinsey study; range 10-30%, midpoint extracted
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
companies using personalized marketing: 10% marketing efficiency increase. Source: McKinsey (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mckinsey-personalized-marketing-efficiency-2026
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<blockquote cite="https://lighthousedata.io/data/mckinsey-personalized-marketing-efficiency-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10%</strong> -- marketing efficiency increase for companies using personalized marketing<br><small>Source: McKinsey (2026) · <a href="https://lighthousedata.io/data/mckinsey-personalized-marketing-efficiency-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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