The Global Allogeneic Stem Cell Transplantation Market Size was worth around USD 4.20 Billion in 2024 and is predicted to Grow to around USD 9.50 Billion by 2035 with a compound annual growth rate (CAGR) of 7.70% from 2025 to 2035. The growing prevalence of chronic diseases, including cancer, autoimmune diseases, and blood disorders, is responsible for driving the allogeneic stem cell transplantation market globally.