C
Evidence Grade C
Graded
accuracy verified by the review judge
Use with Hedging
Dated
50%
50% -- ecommerce market share for Amazon (2021)
Amazon was expected to own 50% of the total e-commerce market share by 2021.
- Projected/expected share
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2021
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Sources (2)
Forbes
Primary
Tier C
https://www.adtoroagency.com/amazon-advertising/ ↗
Source Article
Amazon Advertising
Also cited by
2026-10-01
Original Research
Forbes
· Original study ↗
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2009 | 33% | |
| 2016 | 10% | -69.7% |
| 2017 | 44% | +340.0% |
| 2018 | 43% | -2.3% |
| 2018 | 49% | +14.0% |
| 2019 | 49% | 0% |
| 2019 | 47% | -4.1% |
| 2020 | 39% | -17.0% |
| 2020 | 38% | -2.6% |
| 2021 (current) | 50% | +31.6% |
| 2021 (current) | 40% | -20.0% |
| 2022 | 38% | -5.0% |
| 2023 | 37.6% | -1.1% |
| 2024 | 37.8% | +0.5% |
| 2026 | 40% | +5.8% |
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, based on claims without stated methodology, with unverified sample sizes...
Plain Text
Amazon: 50% ecommerce market share. Source: Forbes (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/amazon-ecommerce-market-share-2021
HTML Embed
<blockquote cite="https://lighthousedata.io/data/amazon-ecommerce-market-share-2021" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- ecommerce market share for Amazon<br><small>Source: Forbes (2021) · <a href="https://lighthousedata.io/data/amazon-ecommerce-market-share-2021" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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