The clinical trials market, valued at USD 39,710.28 million in 2021, is projected to reach USD 52,711.08 million by 2027, growing at a CAGR of 5.05%. Factors driving growth include increased R&D spending, the impact of COVID-19, aging populations, and the rise in chronic diseases. North America leads in market growth due to high R&D expenditure and the prevalence of diseases.