Types segmentation classifies IPV offerings based on formulation and dosage architecture, each influencing market dynamics differently. The traditional whole‑virus IPV remains the reference product, widely adopted due to its established safety profile and broad immunogenicity. Adjuvanted IPV introduces immune‑enhancing agents to reduce antigen load while preserving efficacy, appealing to manufacturers seeking cost‑efficiency and to regions with limited vaccine supply. Fractional‑dose IPV leverages intradermal administration of a reduced volume, extending vaccine availability during shortages and supporting WHO’s dose‑sparing strategies. Lastly, combination vaccines integrate IPV with other antigens (e.g., DTaP‑IPV‑Hib), streamlining immunization schedules and improving compliance, thereby expanding market share in high‑income economies. By delineating these product types, analysts can attribute revenue streams, assess competitive positioning, and anticipate shifts driven by regulatory approvals, manufacturing capacity, and evolving public‑health policies within the Inactivated Poliovirus Vaccine market.