The Japanese language proficiency system consists of five levels, ranging from N5 (beginner) to N1 (advanced). Level 5 is the easiest and Level 1 is the most difficult. These levels correspond to internationally recognized Japanese language examinations such as JLPT, NAT-TEST, and TOP-J, which evaluate the ability of non-native speakers to understand and use the Japanese language effectively. The examinations measure overall language ability through three main areas: grammar and vocabulary, reading comprehension, and listening skills, ensuring that students develop the necessary communication skills for studying, working, or living in Japan.

These exams are designed to measure the Japanese language ability of students who are not native Japanese speakers. The test format and question types are similar to those used in the Japanese Language Proficiency Test (JLPT), ensuring a reliable assessment of a student & language skills.