Type-level taxonomy distinguishes carrier chemistry and architecture because these variables determine scalability, regulatory path, and manufacturing cost. Lipid-based nanoparticles, led by ionisable LNPs for mRNA, hold 41 % share; high encapsulation efficiency offsets cold-chain costs. Polymeric nanoparticles capture 29 %, favoured for sustained-release depot injections and peptide protection. Inorganic platforms (silica, gold, iron-oxide) contribute 15 %, exploited for imaging-guided therapy rather than high-dose drug carriage. Protein-based carriers such as albumin-bound paclitaxel represent 10 %, benefiting from endogenous transport pathways. Finally, hybrid or emerging types (5 %) combine magnetic targeting or stimuli-responsive polymers, signalling future differentiation but currently niche revenue. The market taxonomy therefore shows lipid and polymer types anchoring near-term value, while inorganic and hybrid systems expand the exploratory pipeline.