This article explores the concept of age in Japan, as well as the legal age of majority which is 20 years old. It also explains that there are exceptions to this rule, such as minors aged 16 or older being allowed to enter into contracts with parental consent or if they are deemed mature enough by a court of law. The article also discusses the impact of being underage in Japan, and how age is an important concept within Japanese culture. Lastly, it looks at factors that can impact the legal age in Japan depending on location and type of activity.