U.S. Radiation Oncology Market Size & Outlook, 2026-2033
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U.S. radiation oncology market highlights
- The U.S. radiation oncology market generated a revenue of USD 5,804.7 million in 2025 and is expected to reach USD 13,677.0 million by 2033.
- The U.S. market is expected to grow at a CAGR of 11.4% from 2026 to 2033.
- In terms of segment, external beam radiation therapy (ebrt) was the largest revenue generating treatment type in 2025.
- Systemic Targeted Radiation Therapy is the most lucrative treatment type segment registering the fastest growth during the forecast period.
Radiation oncology market data book summary
| Market revenue in 2025 | USD 5,804.7 million |
| Market revenue in 2033 | USD 13,677.0 million |
| Growth rate | 11.4% (CAGR from 2026 to 2033) |
| Largest segment | External beam radiation therapy (ebrt) |
| Fastest growing segment | Systemic Targeted Radiation Therapy |
| Historical data | 2021 - 2024 |
| Base year | 2025 |
| Forecast period | 2026 - 2033 |
| Quantitative units | Revenue in USD million |
| Market segmentation | External Beam Radiation Therapy (EBRT), Internal Beam Radiation Therapy, Systemic Targeted Radiation Therapy |
| Key market players worldwide | Siemens Healthineers AG ADR, Elekta AB ADR, BD, Accuray Inc, IBA RadioPharma Solutions, IsoRay, MeVis Medical Solutions AG, Nordion, Ntp Radioisotopes, Curium Pharma, ViewRay |
Other key industry trends
- In terms of revenue, U.S. accounted for 41.4% of the global radiation oncology market in 2025.
- Country-wise, U.S. is expected to lead the global market in terms of revenue in 2033.
- In North America, U.S. radiation oncology market is projected to lead the regional market in terms of revenue in 2033.
- U.S. is the fastest growing regional market in North America and is projected to reach USD 13,677.0 million by 2033.
External beam radiation therapy (ebrt) was the largest segment with a revenue share of 79.58% in 2025. Horizon Databook has segmented the U.S. radiation oncology market based on external beam radiation therapy (ebrt), internal beam radiation therapy, systemic targeted radiation therapy covering the revenue growth of each sub-segment from 2021 to 2033.
As per the American Cancer Society, in the U.S., 1,762,450 new cancer cases are estimated to be diagnosed and 606,880 people are expected to die from cancer in 2019. Cancer is the second most common cause of death in the U.S. Rising collaborations among organizations to improve the quality of care for people living with cancer are among the major factors driving the market growth in this country.
In January 2018, ASTRO collaborated with American Society of Clinical Oncology (ASCO) to launch a new registry Qualified Clinical Data Registry (QCDR). This registry tracks the quality of medical care provided to patients undergoing cancer treatment and also makes it easier for radiation and medical oncologists to report quality-related performance metrics needed by the Federal government.
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Radiation Oncology Market Scope
Radiation Oncology Market Companies
| Name | Profile | # Employees | HQ | Website |
|---|---|---|---|---|
| ViewRay | View profile | 251-500 | Oakwood, Ohio, United States, North America | http://www.viewray.com |
| Curium Pharma | View profile | 1001-5000 | Paris, Ile-de-France, France, Europe | https://www.curiumpharma.com/contact/ |
| Ntp Radioisotopes | View profile | 251-500 | Brits, NA - South Africa, South Africa, Africa | https://www.ntp.co.za/ |
| Nordion | View profile | 251-500 | Kanata, Ontario, Canada, North America | http://nordion.com |
| MeVis Medical Solutions AG | View profile | 101-250 | Bremen, Bremen, Germany, Europe | http://www.mevis.de/ |
| IBA RadioPharma Solutions | View profile | 1001-5000 | Louvain-la-neuve, Vlaams-Brabant, Belgium, Europe | https://www.iba-radiopharmasolutions.com/ |
| Accuray Inc | View profile | 1024 | 1240 Deming Way, Madison, WI, United States, 53717 | https://www.accuray.com |
| IsoRay | View profile | 51-100 | Richland, Washington, United States, North America | https://isoray.com/ |
| Elekta AB ADR | View profile | 4584 | Kungstensgatan 18, Box 7593, Stockholm, Sweden, SE-103 93 | https://www.elekta.com |
| BD | View profile | 10001+ | Franklin Lakes, New Jersey, United States, North America | https://www.bd.com |
| Siemens Healthineers AG ADR | View profile | 71400 | Siemensstr. 3, Forchheim, BY, Germany, 91301 | https://www.siemens-healthineers.com |
U.S. radiation oncology market size, by treatment type, 2021-2033 (US$M)
U.S. Radiation Oncology Market Outlook Share, 2025 & 2033 (US$M)
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