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

41.4%

41.4% -- retail ecommerce market share for Amazon (2021-06)

Name: Retail Ecommerce Market Share Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-29

2021-06 · eMarketer

Amazon was estimated to capture 41.4% of the US retail ecommerce market share in June 2021.

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Attribution: eMarketer View source

Lighthouse Research Team

Last verified: 2026-09-29 · How we verify data →

Source verified Evidence graded

Value

41.4%

Unit

Percentage

Data Vintage

2021-06

Entity

Amazon

Geography

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

eMarketer Primary Tier B

https://www.albertocarniel.com/post/wayfair-sponsored-products ↗

Confidence: 52/100 Vintage: 2021-06 Channel: Common Crawl

Source Article

Wayfair sponsored products from A to Z: run your ads like a pro

Original Research

eMarketer · Original study ↗

Methodology

eMarketer research estimate cited in blog post

Methodology documented

Trend Over Time

Period	Value	Change
2020	38%
2021-06 (current)	41.4%	+8.9%

Segmentation

IndustryRetail RegionUS Channelecommerce

Cite this stat

Plain Text

Amazon: 41.4% retail ecommerce market share. Source: eMarketer (2021-06). Via Lighthouse Intelligence -- https://lighthousedata.io/data/amazon-us-retail-ecommerce-share-2021

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<blockquote cite="https://lighthousedata.io/data/amazon-us-retail-ecommerce-share-2021" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>41.4%</strong> -- retail ecommerce market share for Amazon<br><small>Source: eMarketer (2021-06) · <a href="https://lighthousedata.io/data/amazon-us-retail-ecommerce-share-2021" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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