Application segmentation drives the bulk of the High Purity Magnesium market, accounting for distinct end‑use demands. Automotive remains the largest share, leveraging magnesium’s low density for lightweight power‑train components, contributing roughly 35 % of total revenue. Aerospace follows with 25 %, where stringent weight‑reduction targets for airframe structures and interior panels create a premium demand for high‑purity grades. Electronics consumes about 20 % as magnesium alloys enable compact, heat‑dissipative casings for smartphones, laptops, and medical devices. The Chemical sector, representing 12 %, utilizes high‑purity magnesium as a reducing agent and catalyst precursor, especially in specialty polymers and pharmaceuticals. Finally, Energy Storage accounts for 8 %, where magnesium‑based batteries benefit from the metal’s electrochemical stability. Each application’s growth trajectory directly influences the overall market size, with automotive and aerospace expansions projected to sustain the majority of volume uplift in the coming decade. This detailed breakdown exemplifies the importance of High Purity Magnesium segmentation for strategic forecasting.