Application-level market taxonomy reveals five demand clusters: Construction & Exterior protection, Automotive & Transportation, Electronics & Optics, Marine, and Consumer goods. Construction leads, absorbing photocatalytic and UV-shielding formulations valued for smog-reduction and thermal-management in curtain walls; the sub-segment delivered 29 % of 2023 global nanocoatings consumption. Automotive & Transportation follows, driven by hydrophobic windshield and anti-scratch wheel coatings, contributing 24 %. Electronics & Optics demand, tied to anti-fingerprint and anti-reflective dielectrics on displays, adds 21 %. Marine anti-fouling and corrosion nanolayers represent 15 %, while Consumer goods—kitchenware, textiles, eyewear—round out the remainder with 11 %, each cluster exhibiting distinct price-volume dynamics and regulatory exposure.