自し然ぜん増ぞう

noun

natural increase

Refers to population growth from births minus deaths, excluding migration. Common in demographic and economic discussions.

• 日本にほんの人じん口こうは自し然ぜん増ぞうが減げん少しょうしている。

  Japan's natural population increase is declining.

• 自し然ぜん増ぞうと社しゃ会かい増ぞうを合あわせたものが人じん口こう増ぞう加かだ。

  Population growth is the sum of natural increase and net migration.