人じん口こう統とう計けいじんこうとうけいMeanings1nounpopulation statistics; demographicsRefers to statistical data about a population, such as birth rates, death rates, and migration. Used in academic, governmental, and news contexts.最さい新しんの人じん口こう統とう計けいによると、日本にほんの人じん口こうは減