人じん口こう集しゅう中ちゅう地ち区く

noun

densely inhabited district; DID

Official statistical term used in Japanese censuses; often abbreviated as DID. Refers to an area with a population density of 4,000 or more per square kilometer.

• 国こく勢せい調ちょう査さでは、人じん口こう集しゅう中ちゅう地ち区くの人じん口こうが増ぞう加かしている。

  In the national census, the population of densely inhabited districts is increasing.