A significant number of people experience confusion regarding clothing sizes, particularly when shopping online. A survey by Body Block AI found that 91% of customers who ordered clothing online were not satisfied with the fit, highlighting widespread dissatisfaction with sizing . Additionally, a study involving 18,000 participants in the U.S. and Canada revealed that 70% found it very difficult to find clothes that fit properly .​Yahoo+9Vox+9Glamour+9theleagueofinnovators.orgalvanon.com

In the UK, it’s estimated that around 80% of people are wearing the wrong size clothing, underscoring the prevalence of sizing issues . This confusion is exacerbated by inconsistent sizing standards across brands, with practices like vanity sizing—where garments are labeled with smaller sizes to appeal to consumers—further complicating the issue .​b-mag.bhasvic.ac.ukVox+4Katie Couric Media+4Sizebay+4

These inconsistencies not only lead to consumer frustration but also have significant economic implications. Retailers face substantial losses due to returns stemming from sizing issues, with estimates suggesting that inaccurate sizing contributes to a loss of $1 trillion annually in the retail industry .​Vogue Business+5Medium+5sizer.me+5RetailWire

In summary, a substantial proportion of consumers are confused by clothing sizing, leading to dissatisfaction, returns, and economic losses for retailers.

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