Alpha‑Fetoprotein (AFP) testing measures serum AFP levels to aid early detection, prognosis, and therapeutic monitoring of hepatocellular carcinoma and germ cell tumors. The Alpha‑Fetaprotein Testing market size is projected to reach approximately $1.78 billion by 2033, up from an estimated $1.05 billion in 2025, delivering a robust growth outlook with a CAGR of about 7.0% over the 2026‑2033 market forecast period. This industry expansion is propelled by rising liver cancer incidence, heightened emphasis on early‑diagnostic screening, and rapid adoption of high‑sensitivity immunoassay platforms. Key forces shaping the market include a technology shift toward automated chemiluminescence immunoassays, increasingly stringent regulatory pathways that favor validated biomarkers, and intense competitive dynamics among major diagnostics players such as Roche, Abbott, and Siemens. North America remains the largest market region, while the Asia‑Pacific region is emerging as the fastest‑growing market, driven by expanding hepatitis‑B/C screening programs and growing healthcare expenditures.