This article discusses the age requirements and types of exams taken in Japan, such as the National Center Test for University Admissions (N-CTU), entrance exams for high schools, English Proficiency Test (EPT) and Business Management Test (BMT). It also provides advice on how to prepare for these exams, with recommendations to start at least one year before taking any type of exam. Finally, it answers some frequently asked questions about exam age requirements in Japan.