Type‑based segmentation classifies the Whooping Cough Preventable Vaccine market according to vaccine composition and formulation. The acellular pertussis (aP) vaccine, which contains purified antigens, dominates the market due to its favorable safety profile and compatibility with combination schedules. Whole‑cell pertussis (wP) vaccines, retaining killed B. pertussis cells, retain a niche in low‑resource settings where cost constraints outweigh reactogenicity concerns. Combination vaccines—such as DTaP (diphtheria, tetanus, acellular pertussis) and Tdap (tetanus, diphtheria, acellular pertussis)—represent a strategic sub‑type, enabling simultaneous immunization against multiple pathogens and thereby influencing procurement decisions. Additionally, investigational next‑generation pertussis vaccines, including live‑attenuated and adjuvant‑enhanced formulations, are captured as an emerging type, reflecting pipeline activity that may alter future market dynamics. Each type contributes to total market volume through distinct pricing, dosing schedules, and adoption rates, providing a comprehensive market taxonomy that informs supply‑chain planning and regulatory forecasting.