人じん口こう静せい態たいじんこうせいたいMeanings1nounstatic populationTechnical term in demography referring to a population with unchanging size and age structure, often used in theoretical models.人じん口こう静せい態たいのモデルでは、出しゅっ生しょう率りつと死し亡ぼう率りつが一いっ定