Japan Radiation Oncology Market Size & Outlook, 2026-2033
Global Market
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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.
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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Publish Date: Mar 26, 2026
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Radiation Oncology Market Scope
Radiation Oncology Market Companies
| Name | Profile | # Employees | HQ | Website |
|---|---|---|---|---|
| Siemens Healthineers AG ADR | View profile | 71,400 | Siemensstr. 3, Forchheim, BY, Germany, 91301 | www.siemens-healthineers.com |
| BD | View profile | 10001+ | Franklin Lakes, New Jersey, United States, North America | www.bd.com |
| Elekta AB ADR | View profile | 4,584 | Kungstensgatan 18, Box 7593, Stockholm, Sweden, SE-103 93 | www.elekta.com |
| IsoRay | View profile | 51-100 | Richland, Washington, United States, North America | isoray.com/ |
| Accuray Inc | View profile | 1,024 | 1240 Deming Way, Madison, WI, United States, 53717 | www.accuray.com |
| IBA RadioPharma Solutions | View profile | 1001-5000 | Louvain-la-neuve, Vlaams-Brabant, Belgium, Europe | www.iba-radiopharmasolutions.com/ |
| MeVis Medical Solutions AG | View profile | 101-250 | Bremen, Bremen, Germany, Europe | www.mevis.de/ |
| Nordion | View profile | 251-500 | Kanata, Ontario, Canada, North America | nordion.com |
| Ntp Radioisotopes | View profile | 251-500 | Brits, NA - South Africa, South Africa, Africa | www.ntp.co.za/ |
| Curium Pharma | View profile | 1001-5000 | Paris, Ile-de-France, France, Europe | www.curiumpharma.com/contact/ |
Japan Radiation Oncology Market Outlook
The databook is designed to serve as a comprehensive guide to navigating this sector. The databook focuses on market statistics denoted in the form of revenue and y-o-y growth and CAGR across the globe and regions. A detailed competitive and opportunity analyses related to Radiation Oncology Market Outlook will help companies and investors design strategic landscapes.
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.
- Japan Radiation Oncology Market Treatment Type Outlook (Revenue, USD Million , 2021-2033)
- External Beam Radiation Therapy (EBRT)
- Internal Beam Radiation Therapy
- Systemic Targeted Radiation Therapy
- Japan Radiation Oncology Market Technology Outlook (Revenue, USD Million , 2021-2033)
- Image-Guided Radiotherapy (IGRT)
- Intensity-Modulated Radiotherapy (IMRT)
- Volumetric Modulated Arc Therapy (VMAT)
- 3D Conformal Radiation Therapy (3D-CRT)
- Stereotactic Radiotherapy (SRS / SBRT)
- Proton Beam Delivery Technology
- Heavy-Ion Delivery Technology
- Adaptive Radiotherapy
- Upright Beam Delivery Technology
- Japan Radiation Oncology Market Application Outlook (Revenue, USD Million , 2021-2033)
- External Beam Radiation Therapy (EBRT)
- Internal Beam Radiation Therapy
- Radioligand Therapy Applications
- Japan Radiation Oncology Market Target Customer Outlook (Revenue, USD Million , 2021-2033)
- Academic & Research Cancer Centers
- Government & Public Tertiary Hospitals
- Private Oncology Chains
- Specialty Proton / Particle Therapy Centers
- Nuclear Medicine & Theranostics Centers
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Horizon Databook provides a detailed overview of country-level data and insights on the Japan Radiation Oncology Market Outlook, including forecasts for subscribers. This country databook contains high-level insights into Japan Radiation Oncology Market Outlook from 2021 to 2033, including revenue numbers, major trends, and company profiles.
Japan Radiation Oncology Market, 2021-2033 (US$M)
Japan radiation oncology market statistics, by treatment type, 2021-2033 (US$M)
