Amplified numbers of persons with mental health ailments across the world support the growth of the antipsychotic drugs market. As many as 21% of adults suffering from mental illness in 2023 (more than 50 million Americans) are living with mental illness. In addition, 4.8% of adults, or more than 12.1 million people in the US report serious thoughts of suicide and 16% of youth have at least one major depressive episode Ample research and development investments are backing this growing demand for novel therapies, including top-spender Merck & Co., in 2023. By contrast, R&D consumed 18.29% of the budget at Pfizer 10.7 billion dollars worth, well known for its devotion to research-based innovation efforts in the industry.