Segmentation by type differentiates the market into four distinct CNT families, each with unique structural attributes that affect cost structure and adoption rate. Single‑Walled Carbon Nanotubes (SWCNT) constitute the premium tier, representing about 20% of the market due to their exceptional electrical conductivity and quantum confinement effects, which are essential for high‑performance electronics but entail higher synthesis costs. Multi‑Walled Carbon Nanotubes (MWCNT) dominate with roughly 50% share, offering a balance of mechanical strength, thermal stability, and lower production expense, making them the default choice for bulk industrial applications such as composites and thermal management. Functionalized CNTs account for 20%, reflecting added chemical groups that enable targeted integration in polymer matrices, sensors, and biomedical platforms, thereby expanding the addressable market despite additional processing steps. Hybrid CNT composites capture the remaining 10%, where CNTs are combined with other nanomaterials (e.g., graphene, metal oxides) to achieve synergistic properties for niche high‑performance sectors. The relative contribution of each type aligns with its technological maturity, cost profile, and end‑use specificity.