B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
48%
48% -- abandonment reason share for online shoppers citing unexpected extra costs (2026)
Unexpected extra costs account for 48% of checkout abandonments.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
48%
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
Baymard Institute
Primary
Tier C
https://betterpayment.co/abandon-checkout-reasons-and-solutions/ ↗
Source Article
Why Customers Abandon Checkout Even After Adding Products to Cart + How to Solve It?
Original Research
Baymard Institute
· Original study ↗
Methodology
Cited from Baymard Institute checkout abandonment research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
online shoppers citing unexpected extra costs: 48% abandonment reason share. Source: Baymard Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/abandonment-unexpected-costs-48
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<blockquote cite="https://lighthousedata.io/data/abandonment-unexpected-costs-48" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>48%</strong> -- abandonment reason share for online shoppers citing unexpected extra costs<br><small>Source: Baymard Institute (2026) · <a href="https://lighthousedata.io/data/abandonment-unexpected-costs-48" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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