The market, based on the clinical trial phase, has been divided into phase IV, phase III, phase II, phase I, and pre-clinical. Phase IV segment dominated the pharmacovigilance market as adverse drug reactions are majorly detected in this phase. Whereas, phase III is expected to witness the fastest growth. The global pharmacovigilance market has been segmented, on the basis of service provider, into in-house and contract outsourcing. Contract outsourcing dominated the global pharmacovigilance market and expected to witness the fastest growth. Contract manufacturing serves multiple customers and thus can acquire raw materials at a reduced cost, benefiting from the economies of scale. The market, based on type, has been divided into spontaneous reporting, cohort event monitoring, intensified ADR