Japan Substance Abuse Treatment Market Size, Share, and COVID-19 Impact Analysis, By Type (Alcohol Dependence, Tobacco and Drug Abuse), By End User (Outpatient Treatment Centers, Residential Treatment Centers, and Inpatient Treatment Centers), and Japan Substance Abuse Treatment Market Insights, Industry Trend, Forecasts to 2035

Japan Substance Abuse Treatment Market Insights Forecasts to 2035

• The Japan Substance Abuse Treatment Market Size Was Estimated at USD 231.1 Million in 2024
• The Market Size is Expected to Grow at a CAGR of around 9.31% from 2025 to 2035
• The Japan Substance Abuse Treatment Market Size is Expected to Reach USD 615.2 Million by 2035

According to a research report published by Spherical Insights and Consulting, The Japan Substance Abuse Treatment Market Size is anticipated to reach USD 615.2 Million by 2035, growing at a CAGR of 9.31% from 2025 to 2035. Japan's drug abuse treatment market expands as a result of an aging population's inappropriate prescription drug use, growing government mental health programs, expanding community-based care, employee assistance programs, and co-occurring mental illness integrated treatment.

Market Overview

The Japan substance abuse treatment market refers to the prevention, diagnosis, and rehabilitation of patients addicted to substances like alcohol, prescription medication, and illegal narcotics. The market is supported by developments in behavioral treatments, medication-assisted treatment (MAT), and digital health solutions. The strengths of the Japanese system are a firmly established healthcare infrastructure and an expanding network of specialized treatment facilities. Potential is present in building outpatient and in-house treatment services, incorporating technological tools for therapy, and improving public education to alleviate stigma. The market is growing as a result of increased awareness of mental health, an expanding aging population associated with abuse of prescription drugs, and heightened substance-related health complications. Opportunities are the opening up of residential rehabilitation facilities, telemedicine-based therapies, and public-private collaborations to achieve community-based care. These are facilitated by the government through policies focused on mental health reform, tightening up drug control legislation, and investment in education and rehabilitation programs.

Report Coverage

This research report categorizes the market for the Japan substance abuse treatment market based on various segments and regions and forecasts revenue growth and analyzes trends in each submarket. The report analyses the key growth drivers, opportunities, and challenges influencing the Japan substance abuse treatment market. Recent market developments and competitive strategies such as expansion, product launch, and development, partnership, merger, and acquisition have been included to draw the competitive landscape in the market. The report strategically identifies and profiles the key market players and analyses their core competencies in each sub-segment of the Japan substance abuse treatment market.

Driving Factors

Japan's addiction treatment market for substances is driven by an increase in prescription drug abuse among the elderly, public awareness of addiction's health effects, and a growth in mental illness. Growth is further contributed to by technological innovations in digital therapies and medication-assisted treatment (MAT). The growing network of rehab facilities and inclusion of treatment in conventional healthcare also boost the market. Moreover, government efforts to reform mental health and impose tighter drug policies contribute to the demand for efficacious treatment.

Restraining Factors

Japan's drug abuse treatment market is hindered by constraints, including tight social stigmatization of addiction, rural deficiency in treatment centers, and underreporting of abuse cases. These constraints impede early intervention, treatment utilization, and overall market growth.

Market Segmentation

The Japan substance abuse treatment market share is classified into type and end user.

• The alcohol dependence segment held a significant share in 2024 and is expected to grow at a significant CAGR during the forecast period.

The Japan substance abuse treatment market is segmented by type into alcohol dependence, tobacco and drug abuse. Among these, the alcohol dependence segment held a significant share in 2024 and is expected to grow at a significant CAGR during the forecast period. This is due they tend to be social drinking-oriented, present challenges and opportunities for alcohol-related treatment solutions. Stigma associated with treatment for alcoholism in Japan results in numerous individuals going untreated, and therefore, there is a need for culturally attuned treatment solutions that motivate people to seek treatment.

• The outpatient treatment centers segment held a significant share in 2024 and is expected to grow at a significant CAGR during the forecast period.

The Japan substance abuse treatment market is segmented by end user into outpatient treatment centers, residential treatment centers, and inpatient treatment centers. Among these, the outpatient treatment centers segment held a significant share in 2024 and is expected to grow at a significant CAGR during the forecast period. Outpatient treatment centers play a vital role in offering flexible care alternatives, enabling patients to continue their routine daily activities while undergoing required therapy, thereby playing a vital part in early intervention programs.

Competitive Analysis:

The report offers the appropriate analysis of the key organizations/companies involved within the Japan substance abuse treatment market along with a comparative evaluation primarily based on their product offering, business overviews, geographic presence, enterprise strategies, segment market share, and SWOT analysis. The report also provides an elaborative analysis focusing on the current news and developments of the companies, which includes product development, innovations, joint ventures, partnerships, mergers & acquisitions, strategic alliances, and others. This allows for the evaluation of the overall competition within the market.

List of Key Companies

• Mitsubishi Tanabe Pharma Corporation
• Eisai Co., Ltd.
• Taiho Pharmaceutical Co., Ltd.
• Kirin Holdings
• Astellas Pharma Inc.
• Takeda Pharmaceutical
• Shionogi and Co., Ltd.
• Otsuka Pharmaceutical
• Daiichi Sankyo
• Sumitomo Dainippon Pharma
• Others

Recent Developments:

• In May 7, 2025, Shionogi and Co., Ltd. disclosed that at the Board of Directors meeting, it decided to take over the pharmaceutical business of Japan Tobacco Inc. in a company split and to have all issued shares of Akros Pharma Inc. acquired by Shionogi Inc., a group subsidiary of Shionogi in the USA and has entered into an agreement on the same.

Key Target Audience

• Market Players
• Investors
• End-users
• Government Authorities 
• Consulting and Research Firm
• Venture capitalists
• Value-Added Resellers (VARs)

Market Segment

This study forecasts revenue at Japan, regional, and country levels from 2020 to 2035. Spherical Insights has segmented the Japan substance abuse treatment market based on the below-mentioned segments:

Japan Substance Abuse Treatment Market, By Type

• Alcohol Dependence
• Tobacco and Drug Abuse

Japan Substance Abuse Treatment Market, By End User

• Outpatient Treatment Centers
• Residential Treatment Centers
• Inpatient Treatment Centers