乳にゅう児じ死し亡ぼう率りつ

noun

infant mortality rate

Technical demographic and public health term; refers to the number of deaths of infants under one year of age per 1,000 live births in a given year.

• 日本にほんの乳にゅう児じ死し亡ぼう率りつは世せ界かいでも低ひくい水すい準じゅんにある。

  Japan's infant mortality rate is among the lowest in the world.

• 乳にゅう児じ死し亡ぼう率りつの改かい善ぜんは公こう衆しゅう衛えい生せいの重じゅう要ような指し標ひょうだ。

  Improvement in the infant mortality rate is an important indicator of public health.