The Scale of Retail Shrink
Retail shrink — the gap between expected and actual inventory, caused by theft, administrative error, and supplier fraud — costs Japanese retailers an estimated 4.5 trillion JPY annually. Shoplifting accounts for roughly 40% of this loss, with the remaining 60% split between employee theft, vendor fraud, and administrative error.
The challenge has intensified in recent years: organized retail crime is increasing, the shift to self-checkout creates new vulnerability, and labor shortages mean fewer staff on the floor to deter theft. Traditional loss prevention — security guards and CCTV — is necessary but insufficient on its own.
Why Combined RFID + EAS Delivers the Best Results
RFID and EAS address different aspects of the shrink problem. EAS is a deterrent: a tag on an item that triggers an alarm at exit is the most cost-effective theft deterrent available, with studies showing 30-50% shoplifting reduction at EAS-equipped stores. But EAS alone does not tell you what was stolen, when, or by whom.
RFID complements EAS by providing item-level inventory visibility. When RFID is combined with exit portals that read all departing tags, you get both deterrence and detection: real-time inventory depletion alerts that let you respond immediately rather than discovering the loss at the next stocktake.
The Trend: Source Tagging and Unified Systems
The most significant trend in loss prevention is source tagging — where brands apply RFID and/or EAS labels at the factory, before items ship to retail. This eliminates store-level tagging labor and ensures 100% tag coverage. Japan largest fashion retailers have adopted source tagging mandates for their suppliers.
The next evolution is unified RFID+EAS systems where a single tag performs both inventory management and theft deterrence. SDNI deploys these integrated systems, offering retailers a single infrastructure investment that serves both operational and security needs.
A Note on the Figures Above
The figures in this article are presented as general industry trends and reference points, not independently verified results from SDNI. Actual outcomes vary by store size, product category, and operating conditions. Please contact us for a specific estimate tailored to your situation. (Written: June 2026 / Last reviewed: July 18, 2026)