A compound of 年齢 (age) and 層 (layer; stratum). Commonly used in marketing, media, and social research to describe target demographics. The word 層 conveys the idea of stratified layers within a population.
Common collocations
- 幅広い年齢層: wide age range
- 年齢層が高い: older demographic
- 年齢層が低い: younger demographic
- 年齢層別: by age group
Similar words
- 世代: generation — groups defined by birth era rather than current age; carries cultural identity
- 年代: decade of age; era — can mean "people in their 20s/30s" or a historical period