Min-jun became the most popular name for baby boys in South Korea in 2004, and held that position up through 2008. In 2008, a total of 2, 641 baby boys were given this name. In addition, in 2010 it was also the most popular new name for adult men changing their names: there were 552 men who changed their names to Min-jun, especially from names which they felt were too old-fashioned.
Source: https://forebears.io/x/forenames/min-jun