The Application dimension of Anion Exchange Resin segmentation delineates demand across end‑use sectors that drive the market’s revenue composition. Water treatment remains the dominant segment, accounting for roughly half of total sales, as the resin’s capacity to remove nitrate, sulfate, and organic anions underpins municipal and industrial purification processes. The food and beverage sector contributes approximately 20 % of revenue, where the resin’s selectivity supports de‑mineralization of process water and removal of unwanted ions in dairy and brewing operations. Pharmaceuticals represent about 12 % of the market, leveraging the resin’s high purity standards for drug synthesis and purification of active ingredients. The power generation niche, primarily in cooling‑tower water recirculation, accounts for 10 % of sales, while a residual 8 % is distributed among others such as petrochemical refining and laboratory research. This application‑based taxonomy clarifies how each vertical’s regulatory, performance, and volume requirements collectively shape the overall Anion Exchange Resin market size.