This article provides an overview of the history, types and legal regulations of alcohol in Japan. It also covers social customs around drinking and health risks associated with consuming alcohol in Japan. The legal drinking age is 20 years old, and it is illegal for anyone under this age to purchase or consume any type of alcoholic beverage. Alcohol can be purchased from convenience stores, supermarkets, liquor stores or vending machines across most cities throughout Japan. It is important to follow laws and regulations when consuming alcohol as well as observe social customs around drinking, and always keep track of how much has been consumed to avoid potential health risks.