Japan Radiation Oncology Market Size & Outlook, 2026-2033
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Japan radiation oncology market highlights
- The Japan radiation oncology market generated a revenue of USD 720.0 million in 2025 and is expected to reach USD 1,505.6 million by 2033.
- The Japan market is expected to grow at a CAGR of 9.7% 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 720.0 million |
| Market revenue in 2033 | USD 1,505.6 million |
| Growth rate | 9.7% (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, Japan accounted for 5.1% 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 Asia Pacific, China radiation oncology market is projected to lead the regional market in terms of revenue in 2033.
- India is the fastest growing regional market in Asia Pacific and is projected to reach USD 907.2 million by 2033.
External beam radiation therapy (ebrt) was the largest segment with a revenue share of 78.43% in 2025. Horizon Databook has segmented the Japan 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.
Cancer is the most common cause of death in Japan. Its aging population is one of the major factors responsible for increase in prevalence of cancer. Lung cancer is the leading cause of cancer-related deaths in Japan, followed by stomach and colorectal cancers.
According to WHO, in 2018, Japan had an age-standardized cancer rate of 248.0 per 100,000 people. Moreover, a total of 883,395 new cases of cancer were recorded in Japan. Each year, approximately 13,000 patients undergo radiation therapy in Japan.
The Japanese Foundation for Cancer Research conducts radiation therapy to treat 1,700 patients per year. Geographic expansion of key players to increase their market share and introduction of novel technologies in the country are expected to boost market growth.
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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 |
Japan radiation oncology market size, by treatment type, 2021-2033 (US$M)
Japan Radiation Oncology Market Outlook Share, 2025 & 2033 (US$M)
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