The fashion industry overproduces 2.5-5 billion excess garments annually, worth $70-140B, with 30% of production going unsold

In 2023, the global fashion industry produced an estimated 2.5 to 5 billion items of excess stock valued at $70-140 billion in potential sales. Up to 30% of all garments produced remain unsold, and 44% of fashion retailers report holding excess inventory. The average share of fashion brands' assortments on discount increased 5 percentage points in the first half of 2024 compared to the prior year, signaling worsening overstock. Why it matters: brands overproduce deliberately to avoid stockouts on bestsellers, accepting 20-30% dead inventory as a cost of doing business, so excess stock is either destroyed, landfilled, or dumped at steep discounts in secondary markets that cannibalize full-price sales, so the Ellen MacArthur Foundation estimates $500 billion in annual value destruction from disposed unsold fashion inventory, so brands compensate by marking up initial retail prices 4-8x over production cost (creating a vicious cycle where high prices drive low sell-through), so the entire pricing architecture of fashion is distorted by planned overproduction. The structural root cause is that fashion brands must commit to production orders 6-9 months before the selling season based on trend forecasts and buyer meetings, but demand forecasting accuracy in fashion is notoriously low (around 60%) because style preferences are inherently unpredictable, and the industry lacks the data infrastructure and real-time demand sensing needed to shift to made-to-order or small-batch production.