B
Evidence Grade B
Graded
accuracy verified by the review judge
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Recent
50.1%
50.1% -- share of affiliate sales including coupon for email channel affiliate sales (H1 2025)
In the first half of 2025, 50.1% of affiliate sales through the email channel included a coupon.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
50.1%
Unit
Percentage
Data Vintage
H1 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
60
Independence
30
Methodology
45
Freshness
95
Source
Awin / eMarketer
Primary
Tier B
https://www.emarketer.com/content/coupons-surge-key-sales-driver-affiliate-marketing ↗
Source Article
Affiliate Marketing Statistics 2026: Market Size, Earnings and Growth Trends
Affiliate marketing statistics for 2026 point to a channel that keeps growing faster than most other parts of digital marketing. US affiliate spend is on pace to hit $13.81 billion in 2026, up 11.3% from $12.42 billion in 2025, and that spend is expected to influence around $241 billion in US ecomme…
Original Research
Awin / eMarketer
· Original study ↗
Methodology
Awin data shared with eMarketer
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email channel affiliate sales: 50.1% share of affiliate sales including coupon. Source: Awin / eMarketer (H1 2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-affiliate-sales-coupon-share
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<blockquote cite="https://lighthousedata.io/data/email-affiliate-sales-coupon-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50.1%</strong> -- share of affiliate sales including coupon for email channel affiliate sales<br><small>Source: Awin / eMarketer (H1 2025) · <a href="https://lighthousedata.io/data/email-affiliate-sales-coupon-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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