n1 usually refers to Japanese N1 level certificate. Japanese Language Proficiency Test N1 is also called Japanese Language Proficiency Test N1 level. It is one of the levels of the revised Japanese Language Proficiency Test (JLPT) and is also the level with the highest level requirements.
People with Japanese Language Proficiency Test level N1 can understand Japanese in a wide range of situations.
Introduction to the n1 certificate: The Japanese Language Proficiency Test is a Japanese language proficiency certification test implemented by the Japan Foundation for International Exchange and the Japan Association for International Education (now the Japan International Education Support Association) since 1984.
In 2011, the number of applicants reached approximately 610,000, making it the largest Japanese language examination in the world.