B
Evidence Grade B
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accuracy verified by the review judge
Safe to Cite
Recent
91%
91% -- retail media market share for Top five retail media networks (Amazon, Walmart, Instacart, eBay, Etsy) (2025)
The top five retail media players (Amazon, Walmart, Instacart, eBay, and Etsy) account for a 91% share of the US retail media market.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
91%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
eMarketer/Insider Intelligence
Primary
Tier B
https://www.adexchanger.com/commerce/righting-the-retail-media-rocket-ship/ ↗
Source Article
Righting The Retail Media Rocket Ship
Original Research
eMarketer/Insider Intelligence
· Original study ↗
Methodology
US retail media market concentration, per eMarketer/Insider Intelligence
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Top five retail media networks (Amazon, Walmart, Instacart, eBay, Etsy): 91% retail media market share. Source: eMarketer/Insider Intelligence (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/top-five-rmn-91-share
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<blockquote cite="https://lighthousedata.io/data/top-five-rmn-91-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>91%</strong> -- retail media market share for Top five retail media networks (Amazon, Walmart, Instacart, eBay, Etsy)<br><small>Source: eMarketer/Insider Intelligence (2025) · <a href="https://lighthousedata.io/data/top-five-rmn-91-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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