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Published: September 15, 2025
Japan amended the Basic Act on Measures Against Gambling Addiction in June 2025 to outlaw the promotion and facilitation of overseas online casinos targeting users in Japan. Enforcement begins on 25 September 2025 under the National Police Agency (NPA), with coordinated takedown requests to platforms, ISPs, and hosts.
Until now, offshore operators operated in a perceived “gray zone.” The revision supplies a clear legal basis to act against Japan-targeted casino content.
Even indirect promotions or disclaimers like “demo only” may fall under scrutiny if seen as funnels to illegal gambling platforms.
The NPA will coordinate removal requests not only with social platforms but also with internet service providers and hosting/domain operators, domestic and international. The Internet Hotline Center (IHC), previously monitoring harmful online content, will expand its role to flag gambling-related ads, banners, videos, and sponsored posts.
Early enforcement will emphasize takedown requests and content removal. Details on sanctions for persistent non-compliance remain limited. Authorities also highlight public education on addiction risks and illegal gambling.
The NPA estimates millions of Japanese users have accessed online casino sites in recent years. With the Japan online casino ban now taking effect, the crackdown targets affiliates, operators, and platforms funneling traffic from Japan to offshore casinos. This marks a significant regulatory shift in the country’s online environment.
The Japan online casino ban signals stricter compliance expectations across Asia. Operators, affiliates, and providers targeting Japanese audiences will face reduced visibility. Investors may pivot toward regulated channels such as Japan’s upcoming integrated resort projects and other Asian jurisdictions with clearer online frameworks.
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