人じん口こう密みっ集しゅう率りつMeaningsNoun1. population densityKanji used人person口mouth密intimate集gather together率ratioComposed of人じん口こうpopulation; common talkNoun密みっ集しゅうcrowding together; clustering together; close formation; swarmNoun率りつrate; ratio; proportion; percentageNoun