Radiotherapy Market Summary
The Radiotherapy Market closed 2025 at USD 9.09 billion and enters the forecast window at USD 9.78 billion in 2026, climbing to USD 18.91 billion by 2035 on a 7.6% CAGR. Two catalysts anchor that trajectory: the International Atomic Energy Agency's Rays of Hope initiative, which has mobilised more than USD 100 million toward treatment capacity in under-served countries since 2022, and the steady migration of radiation cancer treatment from inpatient wards to reimbursed outpatient settings across OECD health systems [1][5].
Equipment fleets are turning over faster than at any point since the cobalt-to-linac transition. Cobalt-60 units and first-generation 3D conformal platforms are giving way to image-guided, ring-gantry accelerators paired with adaptive planning software that re-contours anatomy between fractions. Vendors now sell software refreshes rather than new vaults, and roughly 38% of installed base upgrades in 2025 involved no civil works at all [11]. Capital deferral of this kind is reshaping how the Radiotherapy Market monetises its installed fleet.
North America holds 44.4% of global revenue, supported by dense accelerator coverage and mature payer codes. Asia-Pacific compounds fastest at 9.6% through 2035 as China's national cancer plan and India's tertiary-hospital buildout add vaults. Europe, at 26.8%, remains the second-largest block but faces financing headwinds. Expect the gap between the top two regions to narrow materially after 2030.
Key Report Takeaways
• By Technology
- Intensity-modulated radiotherapy held 33.9% of Radiotherapy Market share in 2025, the single largest technology pool.
- Proton beam therapy is projected to advance at a 9.0% CAGR through 2035, the fastest technology trajectory tracked.
- Image-guided radiotherapy contributed USD 1.77 billion in 2025 revenue.
• By Therapy Type
- External beam radiation therapy accounted for 76.4% of therapy-type revenue in 2025.
- Systemic radiotherapy is forecast to grow at an 8.4% CAGR, the strongest therapy-type expansion in the Radiotherapy Market.
• By End user
- Hospitals and clinics represented 65.5% of end-user demand.
- Ambulatory surgery centres post a 10.9% CAGR, the fastest end-user segment.
• By Region
- North America captured 44.4% of global revenue in 2025.
- Asia-Pacific expands at a 9.6% CAGR through 2035.
- Europe generated USD 2.44 billion in 2025.
Market Size and Forecast (2021–2035)
Historical values were reconstructed from vendor equipment revenue disclosures, procurement tender databases, national accelerator registries, and treatment-volume statistics, then reconciled against installed-base counts per million population. Forecast years apply a demand model weighted for incidence growth, fractionation trends, and replacement cycles across the Radiotherapy Market.

