justaboutjapan.com/what-is-the-jlpt-n1-and-do-you-need-it-to-get-a-job-in-japan/
Explains the JLPT N1 certification level, what it measures, and its relevance for employment in Japan across different sectors.
JLPT and other testsBusiness and keigoJLPT N1Business JapaneseJLPTLiving in JapanJLPT N5JLPT N2JLPT N3JLPT N4Listening practice