B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
48%
48% -- cart abandonment reason share for ecommerce shoppers citing unexpected shipping costs (2026)
48% of cart abandonments occur due to unexpected shipping costs.
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Lighthouse Research Team
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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://www.oscarchat.ai/blog/ai-chatbot-customer-experience-ecommerce/ ↗
Source Article
AI Chatbot Customer Experience in Ecommerce: The Complete Guide - Oscar Chat
AI Chatbot Customer Experience in Ecommerce: The Complete Guide
In ecommerce, where customers can switch to a competitor with a single click, AI chatbot customer experience isn’t a nice-to-have. It’s the difference between a one-time buyer and a loyal customer who spends 67% more than new customers …
Original Research
Baymard Institute
· Original study ↗
Methodology
Cited from Baymard Institute cart abandonment research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce shoppers citing unexpected shipping costs: 48% cart abandonment reason share. Source: Baymard Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/abandonment-reason-unexpected-shipping-48
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<blockquote cite="https://lighthousedata.io/data/abandonment-reason-unexpected-shipping-48" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>48%</strong> -- cart abandonment reason share for ecommerce shoppers citing unexpected shipping costs<br><small>Source: Baymard Institute (2026) · <a href="https://lighthousedata.io/data/abandonment-reason-unexpected-shipping-48" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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