日本にっぽん人じん口こう学がっ会かいMeaningsNoun1. Population Association of JapanKanji used日sun本book人person口mouth学study会meetingComposed of日本にっぽん人じんJapanese personNoun口こうcounter for people or implementsSuffix学がっ会かいlearned society; scientific society; academy; academic meeting; academic conferenceNoun