The Application segmentation isolates five end‑use clusters that collectively shape demand for walk‑through metal detectors: Airport and aviation security, Public venues (stadiums, malls, concert halls), Government and diplomatic facilities, Educational institutions, and Critical infrastructure (ports, power plants, water treatment). Airport security, driven by stringent international mandates, commands the largest slice at approximately 40 % of market volume, reflecting continuous upgrades to meet evolving threat profiles. Public venues, responding to mass‑gathering safety concerns, represent 25 % and benefit from modular deployment models. Government and diplomatic sites, with elevated risk tolerance, account for 15 % of sales, emphasizing high‑resolution detection capabilities. Educational institutions, increasingly adopting security protocols, contribute 10 % of the market, while critical infrastructure, essential for national resilience, holds the remaining 10 %. This market taxonomy demonstrates that application‑driven purchasing patterns are the primary driver of growth, informing manufacturers’ product‑development roadmaps and regional sales strategies.