The Anti-Doping Database contains verified anti-doping rule violations registered for Japan. This country profile provides aggregated statistics across sports, substances, testing types and sanction lengths, including trends over time and active sanctions.
In Japan, the sport with the highest number of anti-doping rule violations is Track and field, while the most frequently detected substance is Methylephedrine. The average suspension length for sanctioned athletes is 1 months.
In Japan, 11% of the anti-doping rule violations in the database come from out-of-competition testing, while 89% are from in-competition tests.
The data below is generated dynamically from disciplinary decisions, published testing programs and official anti-doping authority reports. No individual athlete information is displayed on this page; the focus is entirely on high-level patterns and long-term trends.
The ranking above shows how Japan compares to other countries in the Anti-Doping Database based on registered anti-doping rule violations.
Prohibited when its concentration in urine is greater than 10 micrograms per milliliter.
The balance between In-Competition and Out-of-Competition testing reveals the maturity of a country's anti-doping program.
A higher proportion of OOC tests typically indicates a more proactive approach to deterring doping during training periods.
This profile shows aggregated anti-doping rule violation data for Japan, including trends over time, most affected sports, substance patterns and active sanctions. Detailed case information is available to registered users inside the Anti-Doping Database.
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The Anti-Doping Database currently contains 14,914 verified anti-doping rule violations across all sports and all countries, and is updated regularly.