JLPT is a diploma administered by the Japan Foundation which is recognized worldwide.
N5 level is the first stage of the JLPT.
Complete beginners start here after studying the characters.
This level will allow the student to discover the foundation of the language such as conjugations, auxiliaries, numbers, etc.
They will also learn how to form simple sentences about personal topics such as one's family, and how to start interacting with others by asking and answering simple questions.