Application‑level RFID Card Reader segmentation isolates the market into access control, payment, transportation, healthcare, and logistics. Access control systems, encompassing corporate buildings and government facilities, generate the largest share—about 35% of global revenue—driven by heightened security mandates and integration with identity‑management platforms. Payment applications, including retail POS and contactless vending, represent roughly 27%, accelerated by consumer preference for cash‑less transactions and regulatory support for EMV standards. Transportation—covering fare collection for metros, buses, and tolling—accounts for 18%, reflecting large‑scale deployments in urban mobility projects. Healthcare uses, such as patient identification and asset tracking, contribute 12% as hospitals adopt RFID to improve safety and operational efficiency. Logistics and supply‑chain tracking form the remaining 8%, focused on warehouse gate readers and freight verification. Collectively, these application segments define the market taxonomy, with each category’s proportion directly influencing the aggregate RFID Card Reader market size.