The global market for oncology biosimilars is estimated at USD 8 billion in 2025 and is projected to grow from USD 9.48 billion in 2026 to USD 36.90 billion in 2034, exhibiting a CAGR of 18.5% during the forecast period (2025–2034). Oncology Biosimilar Market Size, Share & Trends Analysis Report By Product Type (Monoclonal Antibodies (mAbs), Hematopoietic Agents, Granulocyte Colony-Stimulating Factor (G-CSF), Immunomodulators), By Cancer Type (Breast Cancer, Lung Cancer, Colorectal Cancer, Cervical Cancer, Blood Cancer / Hematological Cancers, Other), By Route of Administration (Intravenous (IV), Subcutaneous (SC), Others), By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, Online Pharmacies, Others) and By Region(North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034